Home / 83,198.13-124,795.97-38,800

Finding the Fourth Proportional to 83,198.13, 124,795.97 and 38,800

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Solution

The fourth proportional to 83,198.13, 124,795.97 and 38,800 is: 58,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,198.13 : 124,795.97 = 38,800 : x
  2. Step 2: Convert to fraction form
    83,198.13/124,795.97 = 38,800/x
  3. Step 3: Cross multiply
    83,198.13x = 124,795.97 × 38,800
  4. Step 4: Simplify right side
    83,198.13x = 4,842,083,636
  5. Step 5: Solve for x
    x = 4,842,083,636/83,198.13
  6. Step 6: Final answer
    x = 58,199.43

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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.