Home / 83,591.12-125,388.28-39,193.68

Finding the Fourth Proportional to 83,591.12, 125,388.28 and 39,193.68

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Solution

The fourth proportional to 83,591.12, 125,388.28 and 39,193.68 is: 58,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,591.12 : 125,388.28 = 39,193.68 : x
  2. Step 2: Convert to fraction form
    83,591.12/125,388.28 = 39,193.68/x
  3. Step 3: Cross multiply
    83,591.12x = 125,388.28 × 39,193.68
  4. Step 4: Simplify right side
    83,591.12x = 4,914,428,122.07
  5. Step 5: Solve for x
    x = 4,914,428,122.07/83,591.12
  6. Step 6: Final answer
    x = 58,791.27

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1.5x scale

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.