Finding the Fourth Proportional to 73,861.91, 110,816.17 and 56,177.28
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Solution
The fourth proportional to 73,861.91, 110,816.17 and 56,177.28 is: 84,283.65
Step by Step Solution
- Step 1: Write the proportion equation
73,861.91 : 110,816.17 = 56,177.28 : x - Step 2: Convert to fraction form
73,861.91/110,816.17 = 56,177.28/x - Step 3: Cross multiply
73,861.91x = 110,816.17 × 56,177.28 - Step 4: Simplify right side
73,861.91x = 6,225,350,874.02 - Step 5: Solve for x
x = 6,225,350,874.02/73,861.91 - Step 6: Final answer
x = 84,283.65
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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.