Home / 87,693.99-131,590.32-47,715.86

Finding the Fourth Proportional to 87,693.99, 131,590.32 and 47,715.86

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Solution

The fourth proportional to 87,693.99, 131,590.32 and 47,715.86 is: 71,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,693.99 : 131,590.32 = 47,715.86 : x
  2. Step 2: Convert to fraction form
    87,693.99/131,590.32 = 47,715.86/x
  3. Step 3: Cross multiply
    87,693.99x = 131,590.32 × 47,715.86
  4. Step 4: Simplify right side
    87,693.99x = 6,278,945,286.48
  5. Step 5: Solve for x
    x = 6,278,945,286.48/87,693.99
  6. Step 6: Final answer
    x = 71,600.63

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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.