Home / 87,824.07-131,757.06-28,659.85

Finding the Fourth Proportional to 87,824.07, 131,757.06 and 28,659.85

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Solution

The fourth proportional to 87,824.07, 131,757.06 and 28,659.85 is: 42,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824.07 : 131,757.06 = 28,659.85 : x
  2. Step 2: Convert to fraction form
    87,824.07/131,757.06 = 28,659.85/x
  3. Step 3: Cross multiply
    87,824.07x = 131,757.06 × 28,659.85
  4. Step 4: Simplify right side
    87,824.07x = 3,776,137,354.12
  5. Step 5: Solve for x
    x = 3,776,137,354.12/87,824.07
  6. Step 6: Final answer
    x = 42,996.61

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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.