36000,4000,12000
Step-by-step explanation:
Let be the share of first friend.
Let be the share of second friend.
Let be the share of third friend.
Given that the first friend would get three times the amount of the third friend's portion.
So,
Given that the third friend would get three times the amount of the second friend's portion.
So,
Given that the total share is 52,000
So,