Home / 83,397.68-125,048.56-25,679.95

Finding the Fourth Proportional to 83,397.68, 125,048.56 and 25,679.95

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Solution

The fourth proportional to 83,397.68, 125,048.56 and 25,679.95 is: 38,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,397.68 : 125,048.56 = 25,679.95 : x
  2. Step 2: Convert to fraction form
    83,397.68/125,048.56 = 25,679.95/x
  3. Step 3: Cross multiply
    83,397.68x = 125,048.56 × 25,679.95
  4. Step 4: Simplify right side
    83,397.68x = 3,211,241,143.10
  5. Step 5: Solve for x
    x = 3,211,241,143.10/83,397.68
  6. Step 6: Final answer
    x = 38,505.16

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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.