Home / 87,772.52-131,732.50-37,890.30

Finding the Fourth Proportional to 87,772.52, 131,732.50 and 37,890.30

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Solution

The fourth proportional to 87,772.52, 131,732.50 and 37,890.30 is: 56,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,772.52 : 131,732.50 = 37,890.30 : x
  2. Step 2: Convert to fraction form
    87,772.52/131,732.50 = 37,890.30/x
  3. Step 3: Cross multiply
    87,772.52x = 131,732.50 × 37,890.30
  4. Step 4: Simplify right side
    87,772.52x = 4,991,383,944.75
  5. Step 5: Solve for x
    x = 4,991,383,944.75/87,772.52
  6. Step 6: Final answer
    x = 56,867.27

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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.