Home / 83,902.57-125,823.88-27,732.31

Finding the Fourth Proportional to 83,902.57, 125,823.88 and 27,732.31

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Solution

The fourth proportional to 83,902.57, 125,823.88 and 27,732.31 is: 41,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,902.57 : 125,823.88 = 27,732.31 : x
  2. Step 2: Convert to fraction form
    83,902.57/125,823.88 = 27,732.31/x
  3. Step 3: Cross multiply
    83,902.57x = 125,823.88 × 27,732.31
  4. Step 4: Simplify right side
    83,902.57x = 3,489,386,845.56
  5. Step 5: Solve for x
    x = 3,489,386,845.56/83,902.57
  6. Step 6: Final answer
    x = 41,588.56

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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.