Finding the Fourth Proportional to 95,102.70, 142,645.80 and 57,651.75
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Solution
The fourth proportional to 95,102.70, 142,645.80 and 57,651.75 is: 86,472.62
Step by Step Solution
- Step 1: Write the proportion equation
95,102.70 : 142,645.80 = 57,651.75 : x - Step 2: Convert to fraction form
95,102.70/142,645.80 = 57,651.75/x - Step 3: Cross multiply
95,102.70x = 142,645.80 × 57,651.75 - Step 4: Simplify right side
95,102.70x = 8,223,780,000.15 - Step 5: Solve for x
x = 8,223,780,000.15/95,102.70 - Step 6: Final answer
x = 86,472.62
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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.