Home / 87,983.37-131,954.76-52,454.70

Finding the Fourth Proportional to 87,983.37, 131,954.76 and 52,454.70

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Solution

The fourth proportional to 87,983.37, 131,954.76 and 52,454.70 is: 78,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,983.37 : 131,954.76 = 52,454.70 : x
  2. Step 2: Convert to fraction form
    87,983.37/131,954.76 = 52,454.70/x
  3. Step 3: Cross multiply
    87,983.37x = 131,954.76 × 52,454.70
  4. Step 4: Simplify right side
    87,983.37x = 6,921,647,349.37
  5. Step 5: Solve for x
    x = 6,921,647,349.37/87,983.37
  6. Step 6: Final answer
    x = 78,669.95

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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.