Home / 87,937.46-131,904.99-21,377.39

Finding the Fourth Proportional to 87,937.46, 131,904.99 and 21,377.39

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Solution

The fourth proportional to 87,937.46, 131,904.99 and 21,377.39 is: 32,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,937.46 : 131,904.99 = 21,377.39 : x
  2. Step 2: Convert to fraction form
    87,937.46/131,904.99 = 21,377.39/x
  3. Step 3: Cross multiply
    87,937.46x = 131,904.99 × 21,377.39
  4. Step 4: Simplify right side
    87,937.46x = 2,819,783,754.65
  5. Step 5: Solve for x
    x = 2,819,783,754.65/87,937.46
  6. Step 6: Final answer
    x = 32,065.79

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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.