Home / 87,443.52-131,151.30-31,273.14

Finding the Fourth Proportional to 87,443.52, 131,151.30 and 31,273.14

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Solution

The fourth proportional to 87,443.52, 131,151.30 and 31,273.14 is: 46,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,443.52 : 131,151.30 = 31,273.14 : x
  2. Step 2: Convert to fraction form
    87,443.52/131,151.30 = 31,273.14/x
  3. Step 3: Cross multiply
    87,443.52x = 131,151.30 × 31,273.14
  4. Step 4: Simplify right side
    87,443.52x = 4,101,512,966.08
  5. Step 5: Solve for x
    x = 4,101,512,966.08/87,443.52
  6. Step 6: Final answer
    x = 46,904.71

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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.