Finding the Fourth Proportional to 88,332.98, 121,901.08 and 48,047.62
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Solution
The fourth proportional to 88,332.98, 121,901.08 and 48,047.62 is: 66,306.57
Step by Step Solution
- Step 1: Write the proportion equation
88,332.98 : 121,901.08 = 48,047.62 : x - Step 2: Convert to fraction form
88,332.98/121,901.08 = 48,047.62/x - Step 3: Cross multiply
88,332.98x = 121,901.08 × 48,047.62 - Step 4: Simplify right side
88,332.98x = 5,857,056,769.43 - Step 5: Solve for x
x = 5,857,056,769.43/88,332.98 - Step 6: Final answer
x = 66,306.57
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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.