Home / 54,575.13-81,867.42-15,132.60

Finding the Fourth Proportional to 54,575.13, 81,867.42 and 15,132.60

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Solution

The fourth proportional to 54,575.13, 81,867.42 and 15,132.60 is: 22,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575.13 : 81,867.42 = 15,132.60 : x
  2. Step 2: Convert to fraction form
    54,575.13/81,867.42 = 15,132.60/x
  3. Step 3: Cross multiply
    54,575.13x = 81,867.42 × 15,132.60
  4. Step 4: Simplify right side
    54,575.13x = 1,238,866,919.89
  5. Step 5: Solve for x
    x = 1,238,866,919.89/54,575.13
  6. Step 6: Final answer
    x = 22,700.21

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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.