Home / 83,385.68-125,098.43-27,225.89

Finding the Fourth Proportional to 83,385.68, 125,098.43 and 27,225.89

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Solution

The fourth proportional to 83,385.68, 125,098.43 and 27,225.89 is: 40,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,385.68 : 125,098.43 = 27,225.89 : x
  2. Step 2: Convert to fraction form
    83,385.68/125,098.43 = 27,225.89/x
  3. Step 3: Cross multiply
    83,385.68x = 125,098.43 × 27,225.89
  4. Step 4: Simplify right side
    83,385.68x = 3,405,915,801.85
  5. Step 5: Solve for x
    x = 3,405,915,801.85/83,385.68
  6. Step 6: Final answer
    x = 40,845.33

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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.