Finding the Fourth Proportional to 86,532.12, 119,414.88 and 50,722.92
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Solution
The fourth proportional to 86,532.12, 119,414.88 and 50,722.92 is: 69,997.95
Step by Step Solution
- Step 1: Write the proportion equation
86,532.12 : 119,414.88 = 50,722.92 : x - Step 2: Convert to fraction form
86,532.12/119,414.88 = 50,722.92/x - Step 3: Cross multiply
86,532.12x = 119,414.88 × 50,722.92 - Step 4: Simplify right side
86,532.12x = 6,057,071,405.05 - Step 5: Solve for x
x = 6,057,071,405.05/86,532.12 - Step 6: Final answer
x = 69,997.95
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1.5x scale
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.