Home / 87,976.77-131,983.60-38,063.96

Finding the Fourth Proportional to 87,976.77, 131,983.60 and 38,063.96

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Solution

The fourth proportional to 87,976.77, 131,983.60 and 38,063.96 is: 57,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,976.77 : 131,983.60 = 38,063.96 : x
  2. Step 2: Convert to fraction form
    87,976.77/131,983.60 = 38,063.96/x
  3. Step 3: Cross multiply
    87,976.77x = 131,983.60 × 38,063.96
  4. Step 4: Simplify right side
    87,976.77x = 5,023,818,389.34
  5. Step 5: Solve for x
    x = 5,023,818,389.34/87,976.77
  6. Step 6: Final answer
    x = 57,103.92

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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.