Home / 83,136.99-124,747.19-38,767.23

Finding the Fourth Proportional to 83,136.99, 124,747.19 and 38,767.23

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Solution

The fourth proportional to 83,136.99, 124,747.19 and 38,767.23 is: 58,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136.99 : 124,747.19 = 38,767.23 : x
  2. Step 2: Convert to fraction form
    83,136.99/124,747.19 = 38,767.23/x
  3. Step 3: Cross multiply
    83,136.99x = 124,747.19 × 38,767.23
  4. Step 4: Simplify right side
    83,136.99x = 4,836,102,812.75
  5. Step 5: Solve for x
    x = 4,836,102,812.75/83,136.99
  6. Step 6: Final answer
    x = 58,170.29

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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.