Home / 83,288.88-124,974.36-38,918.70

Finding the Fourth Proportional to 83,288.88, 124,974.36 and 38,918.70

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Solution

The fourth proportional to 83,288.88, 124,974.36 and 38,918.70 is: 58,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,288.88 : 124,974.36 = 38,918.70 : x
  2. Step 2: Convert to fraction form
    83,288.88/124,974.36 = 38,918.70/x
  3. Step 3: Cross multiply
    83,288.88x = 124,974.36 × 38,918.70
  4. Step 4: Simplify right side
    83,288.88x = 4,863,839,624.53
  5. Step 5: Solve for x
    x = 4,863,839,624.53/83,288.88
  6. Step 6: Final answer
    x = 58,397.23

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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.