Home / 87,951.46-131,946.90-27,983.38

Finding the Fourth Proportional to 87,951.46, 131,946.90 and 27,983.38

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Solution

The fourth proportional to 87,951.46, 131,946.90 and 27,983.38 is: 41,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,951.46 : 131,946.90 = 27,983.38 : x
  2. Step 2: Convert to fraction form
    87,951.46/131,946.90 = 27,983.38/x
  3. Step 3: Cross multiply
    87,951.46x = 131,946.90 × 27,983.38
  4. Step 4: Simplify right side
    87,951.46x = 3,692,320,242.52
  5. Step 5: Solve for x
    x = 3,692,320,242.52/87,951.46
  6. Step 6: Final answer
    x = 41,981.34

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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.