Home / 87,944.76-131,963.40-47,992.32

Finding the Fourth Proportional to 87,944.76, 131,963.40 and 47,992.32

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Solution

The fourth proportional to 87,944.76, 131,963.40 and 47,992.32 is: 72,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,944.76 : 131,963.40 = 47,992.32 : x
  2. Step 2: Convert to fraction form
    87,944.76/131,963.40 = 47,992.32/x
  3. Step 3: Cross multiply
    87,944.76x = 131,963.40 × 47,992.32
  4. Step 4: Simplify right side
    87,944.76x = 6,333,229,721.09
  5. Step 5: Solve for x
    x = 6,333,229,721.09/87,944.76
  6. Step 6: Final answer
    x = 72,013.72

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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.