Home / 87,207.48-120,382.89-58,951.44

Finding the Fourth Proportional to 87,207.48, 120,382.89 and 58,951.44

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Solution

The fourth proportional to 87,207.48, 120,382.89 and 58,951.44 is: 81,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,207.48 : 120,382.89 = 58,951.44 : x
  2. Step 2: Convert to fraction form
    87,207.48/120,382.89 = 58,951.44/x
  3. Step 3: Cross multiply
    87,207.48x = 120,382.89 × 58,951.44
  4. Step 4: Simplify right side
    87,207.48x = 7,096,744,716.86
  5. Step 5: Solve for x
    x = 7,096,744,716.86/87,207.48
  6. Step 6: Final answer
    x = 81,377.71

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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.