Answer:
117
Step-by-step explanation:
4 : 9 = 52 : 117
Since
4 : 9 = 52 : X
Then we know
9/4 = X/52
Multiplying both sides by 52 cancels on the right
52 × (9/4) = (X/52) × 52
52 × (9/4) = X
Then solving for X
X = 52 × (9/4)
X = 117
Therefore
4 : 9 = 52 : 117