Finding the Fourth Proportional to 95,609.70, 131,974.11 and 57,883.92
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Solution
The fourth proportional to 95,609.70, 131,974.11 and 57,883.92 is: 79,899.62
Step by Step Solution
- Step 1: Write the proportion equation
95,609.70 : 131,974.11 = 57,883.92 : x - Step 2: Convert to fraction form
95,609.70/131,974.11 = 57,883.92/x - Step 3: Cross multiply
95,609.70x = 131,974.11 × 57,883.92 - Step 4: Simplify right side
95,609.70x = 7,639,178,825.31 - Step 5: Solve for x
x = 7,639,178,825.31/95,609.70 - Step 6: Final answer
x = 79,899.62
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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.