Home / 83,119.80-124,593.50-38,710.02

Finding the Fourth Proportional to 83,119.80, 124,593.50 and 38,710.02

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Solution

The fourth proportional to 83,119.80, 124,593.50 and 38,710.02 is: 58,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,119.80 : 124,593.50 = 38,710.02 : x
  2. Step 2: Convert to fraction form
    83,119.80/124,593.50 = 38,710.02/x
  3. Step 3: Cross multiply
    83,119.80x = 124,593.50 × 38,710.02
  4. Step 4: Simplify right side
    83,119.80x = 4,823,016,876.87
  5. Step 5: Solve for x
    x = 4,823,016,876.87/83,119.80
  6. Step 6: Final answer
    x = 58,024.89

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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.