Home / 95,131.11-131,280.85-52,689.61

Finding the Fourth Proportional to 95,131.11, 131,280.85 and 52,689.61

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Solution

The fourth proportional to 95,131.11, 131,280.85 and 52,689.61 is: 72,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,131.11 : 131,280.85 = 52,689.61 : x
  2. Step 2: Convert to fraction form
    95,131.11/131,280.85 = 52,689.61/x
  3. Step 3: Cross multiply
    95,131.11x = 131,280.85 × 52,689.61
  4. Step 4: Simplify right side
    95,131.11x = 6,917,136,786.97
  5. Step 5: Solve for x
    x = 6,917,136,786.97/95,131.11
  6. Step 6: Final answer
    x = 72,711.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.