Finding the Fourth Proportional to 77,283.92, 115,869.18 and 24,663.08
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Solution
The fourth proportional to 77,283.92, 115,869.18 and 24,663.08 is: 36,976.53
Step by Step Solution
- Step 1: Write the proportion equation
77,283.92 : 115,869.18 = 24,663.08 : x - Step 2: Convert to fraction form
77,283.92/115,869.18 = 24,663.08/x - Step 3: Cross multiply
77,283.92x = 115,869.18 × 24,663.08 - Step 4: Simplify right side
77,283.92x = 2,857,690,855.87 - Step 5: Solve for x
x = 2,857,690,855.87/77,283.92 - Step 6: Final answer
x = 36,976.53
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1.5x scale
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.