Home / 57,449.62-86,086.44-38,660.02

Finding the Fourth Proportional to 57,449.62, 86,086.44 and 38,660.02

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Solution

The fourth proportional to 57,449.62, 86,086.44 and 38,660.02 is: 57,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,449.62 : 86,086.44 = 38,660.02 : x
  2. Step 2: Convert to fraction form
    57,449.62/86,086.44 = 38,660.02/x
  3. Step 3: Cross multiply
    57,449.62x = 86,086.44 × 38,660.02
  4. Step 4: Simplify right side
    57,449.62x = 3,328,103,492.13
  5. Step 5: Solve for x
    x = 3,328,103,492.13/57,449.62
  6. Step 6: Final answer
    x = 57,930.82

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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.