Home / 87,823.70-131,720.67-24,629.30

Finding the Fourth Proportional to 87,823.70, 131,720.67 and 24,629.30

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Solution

The fourth proportional to 87,823.70, 131,720.67 and 24,629.30 is: 36,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,823.70 : 131,720.67 = 24,629.30 : x
  2. Step 2: Convert to fraction form
    87,823.70/131,720.67 = 24,629.30/x
  3. Step 3: Cross multiply
    87,823.70x = 131,720.67 × 24,629.30
  4. Step 4: Simplify right side
    87,823.70x = 3,244,187,897.63
  5. Step 5: Solve for x
    x = 3,244,187,897.63/87,823.70
  6. Step 6: Final answer
    x = 36,939.78

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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.