Home / 87,721.14-131,595.51-37,815.42

Finding the Fourth Proportional to 87,721.14, 131,595.51 and 37,815.42

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Solution

The fourth proportional to 87,721.14, 131,595.51 and 37,815.42 is: 56,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,721.14 : 131,595.51 = 37,815.42 : x
  2. Step 2: Convert to fraction form
    87,721.14/131,595.51 = 37,815.42/x
  3. Step 3: Cross multiply
    87,721.14x = 131,595.51 × 37,815.42
  4. Step 4: Simplify right side
    87,721.14x = 4,976,339,480.76
  5. Step 5: Solve for x
    x = 4,976,339,480.76/87,721.14
  6. Step 6: Final answer
    x = 56,729.08

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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.