Home / 87,377.54-131,197.52-49,979.84

Finding the Fourth Proportional to 87,377.54, 131,197.52 and 49,979.84

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Solution

The fourth proportional to 87,377.54, 131,197.52 and 49,979.84 is: 75,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377.54 : 131,197.52 = 49,979.84 : x
  2. Step 2: Convert to fraction form
    87,377.54/131,197.52 = 49,979.84/x
  3. Step 3: Cross multiply
    87,377.54x = 131,197.52 × 49,979.84
  4. Step 4: Simplify right side
    87,377.54x = 6,557,230,526.96
  5. Step 5: Solve for x
    x = 6,557,230,526.96/87,377.54
  6. Step 6: Final answer
    x = 75,044.81

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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.