Home / 87,721.29-131,590.23-24,541.41

Finding the Fourth Proportional to 87,721.29, 131,590.23 and 24,541.41

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Solution

The fourth proportional to 87,721.29, 131,590.23 and 24,541.41 is: 36,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,721.29 : 131,590.23 = 24,541.41 : x
  2. Step 2: Convert to fraction form
    87,721.29/131,590.23 = 24,541.41/x
  3. Step 3: Cross multiply
    87,721.29x = 131,590.23 × 24,541.41
  4. Step 4: Simplify right side
    87,721.29x = 3,229,409,786.42
  5. Step 5: Solve for x
    x = 3,229,409,786.42/87,721.29
  6. Step 6: Final answer
    x = 36,814.44

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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.