Home / 87,566.75-131,337.82-28,402.94

Finding the Fourth Proportional to 87,566.75, 131,337.82 and 28,402.94

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Solution

The fourth proportional to 87,566.75, 131,337.82 and 28,402.94 is: 42,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,566.75 : 131,337.82 = 28,402.94 : x
  2. Step 2: Convert to fraction form
    87,566.75/131,337.82 = 28,402.94/x
  3. Step 3: Cross multiply
    87,566.75x = 131,337.82 × 28,402.94
  4. Step 4: Simplify right side
    87,566.75x = 3,730,379,422.49
  5. Step 5: Solve for x
    x = 3,730,379,422.49/87,566.75
  6. Step 6: Final answer
    x = 42,600.41

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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.