Home / 83,203.25-124,754.97-38,168.15

Finding the Fourth Proportional to 83,203.25, 124,754.97 and 38,168.15

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Solution

The fourth proportional to 83,203.25, 124,754.97 and 38,168.15 is: 57,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,203.25 : 124,754.97 = 38,168.15 : x
  2. Step 2: Convert to fraction form
    83,203.25/124,754.97 = 38,168.15/x
  3. Step 3: Cross multiply
    83,203.25x = 124,754.97 × 38,168.15
  4. Step 4: Simplify right side
    83,203.25x = 4,761,666,408.21
  5. Step 5: Solve for x
    x = 4,761,666,408.21/83,203.25
  6. Step 6: Final answer
    x = 57,229.33

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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.