Finding the Fourth Proportional to 79,753.48, 119,531.70 and 40,321.84
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Solution
The fourth proportional to 79,753.48, 119,531.70 and 40,321.84 is: 60,432.95
Step by Step Solution
- Step 1: Write the proportion equation
79,753.48 : 119,531.70 = 40,321.84 : x - Step 2: Convert to fraction form
79,753.48/119,531.70 = 40,321.84/x - Step 3: Cross multiply
79,753.48x = 119,531.70 × 40,321.84 - Step 4: Simplify right side
79,753.48x = 4,819,738,082.33 - Step 5: Solve for x
x = 4,819,738,082.33/79,753.48 - Step 6: Final answer
x = 60,432.95
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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.