Home / 87,332.73-120,531.92-49,095.42

Finding the Fourth Proportional to 87,332.73, 120,531.92 and 49,095.42

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Solution

The fourth proportional to 87,332.73, 120,531.92 and 49,095.42 is: 67,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,332.73 : 120,531.92 = 49,095.42 : x
  2. Step 2: Convert to fraction form
    87,332.73/120,531.92 = 49,095.42/x
  3. Step 3: Cross multiply
    87,332.73x = 120,531.92 × 49,095.42
  4. Step 4: Simplify right side
    87,332.73x = 5,917,564,990.33
  5. Step 5: Solve for x
    x = 5,917,564,990.33/87,332.73
  6. Step 6: Final answer
    x = 67,758.85

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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.