Finding the Fourth Proportional to 74,730.11, 112,073.28 and 61,549.79
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Solution
The fourth proportional to 74,730.11, 112,073.28 and 61,549.79 is: 92,306.66
Step by Step Solution
- Step 1: Write the proportion equation
74,730.11 : 112,073.28 = 61,549.79 : x - Step 2: Convert to fraction form
74,730.11/112,073.28 = 61,549.79/x - Step 3: Cross multiply
74,730.11x = 112,073.28 × 61,549.79 - Step 4: Simplify right side
74,730.11x = 6,898,086,288.24 - Step 5: Solve for x
x = 6,898,086,288.24/74,730.11 - Step 6: Final answer
x = 92,306.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.