Finding the Fourth Proportional to 71,171.60, 106,640.12 and 24,398.80
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Solution
The fourth proportional to 71,171.60, 106,640.12 and 24,398.80 is: 36,557.99
Step by Step Solution
- Step 1: Write the proportion equation
71,171.60 : 106,640.12 = 24,398.80 : x - Step 2: Convert to fraction form
71,171.60/106,640.12 = 24,398.80/x - Step 3: Cross multiply
71,171.60x = 106,640.12 × 24,398.80 - Step 4: Simplify right side
71,171.60x = 2,601,890,959.86 - Step 5: Solve for x
x = 2,601,890,959.86/71,171.60 - Step 6: Final answer
x = 36,557.99
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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.