I might be wrong but I think all you have to do is 6 x 6 and then multiply that answer by 3

a=future amount
p=present amount
r=rate in decimal
n=number off time per year compouonded
t=time in years
P=45,050
r=0.07001
n=4
t=1.25



A=49132.8798
round
A=$49,132.88