Finding the Fourth Proportional to 88,002.64, 121,450.08 and 50,276.08
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Solution
The fourth proportional to 88,002.64, 121,450.08 and 50,276.08 is: 69,384.67
Step by Step Solution
- Step 1: Write the proportion equation
88,002.64 : 121,450.08 = 50,276.08 : x - Step 2: Convert to fraction form
88,002.64/121,450.08 = 50,276.08/x - Step 3: Cross multiply
88,002.64x = 121,450.08 × 50,276.08 - Step 4: Simplify right side
88,002.64x = 6,106,033,938.09 - Step 5: Solve for x
x = 6,106,033,938.09/88,002.64 - Step 6: Final answer
x = 69,384.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.