Home / 82,712.90-124,081.67-38,344.15

Finding the Fourth Proportional to 82,712.90, 124,081.67 and 38,344.15

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Solution

The fourth proportional to 82,712.90, 124,081.67 and 38,344.15 is: 57,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,712.90 : 124,081.67 = 38,344.15 : x
  2. Step 2: Convert to fraction form
    82,712.90/124,081.67 = 38,344.15/x
  3. Step 3: Cross multiply
    82,712.90x = 124,081.67 × 38,344.15
  4. Step 4: Simplify right side
    82,712.90x = 4,757,806,166.73
  5. Step 5: Solve for x
    x = 4,757,806,166.73/82,712.90
  6. Step 6: Final answer
    x = 57,521.94

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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.