Finding the Fourth Proportional to 71,085.04, 106,619.92 and 37,769.68
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Solution
The fourth proportional to 71,085.04, 106,619.92 and 37,769.68 is: 56,650.46
Step by Step Solution
- Step 1: Write the proportion equation
71,085.04 : 106,619.92 = 37,769.68 : x - Step 2: Convert to fraction form
71,085.04/106,619.92 = 37,769.68/x - Step 3: Cross multiply
71,085.04x = 106,619.92 × 37,769.68 - Step 4: Simplify right side
71,085.04x = 4,027,000,260.03 - Step 5: Solve for x
x = 4,027,000,260.03/71,085.04 - Step 6: Final answer
x = 56,650.46
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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.