Home / 87,934.70-131,902.10-61,756.31

Finding the Fourth Proportional to 87,934.70, 131,902.10 and 61,756.31

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Solution

The fourth proportional to 87,934.70, 131,902.10 and 61,756.31 is: 92,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,934.70 : 131,902.10 = 61,756.31 : x
  2. Step 2: Convert to fraction form
    87,934.70/131,902.10 = 61,756.31/x
  3. Step 3: Cross multiply
    87,934.70x = 131,902.10 × 61,756.31
  4. Step 4: Simplify right side
    87,934.70x = 8,145,786,132.62
  5. Step 5: Solve for x
    x = 8,145,786,132.62/87,934.70
  6. Step 6: Final answer
    x = 92,634.49

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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.