Home / 83,664.62-125,512.33-27,507.90

Finding the Fourth Proportional to 83,664.62, 125,512.33 and 27,507.90

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Solution

The fourth proportional to 83,664.62, 125,512.33 and 27,507.90 is: 41,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,664.62 : 125,512.33 = 27,507.90 : x
  2. Step 2: Convert to fraction form
    83,664.62/125,512.33 = 27,507.90/x
  3. Step 3: Cross multiply
    83,664.62x = 125,512.33 × 27,507.90
  4. Step 4: Simplify right side
    83,664.62x = 3,452,580,622.41
  5. Step 5: Solve for x
    x = 3,452,580,622.41/83,664.62
  6. Step 6: Final answer
    x = 41,266.91

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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.