Home / 87,644.70-131,418.45-37,716.30

Finding the Fourth Proportional to 87,644.70, 131,418.45 and 37,716.30

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Solution

The fourth proportional to 87,644.70, 131,418.45 and 37,716.30 is: 56,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,644.70 : 131,418.45 = 37,716.30 : x
  2. Step 2: Convert to fraction form
    87,644.70/131,418.45 = 37,716.30/x
  3. Step 3: Cross multiply
    87,644.70x = 131,418.45 × 37,716.30
  4. Step 4: Simplify right side
    87,644.70x = 4,956,617,685.74
  5. Step 5: Solve for x
    x = 4,956,617,685.74/87,644.70
  6. Step 6: Final answer
    x = 56,553.54

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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.