Home / 54,575.39-81,863.08-15,132.50

Finding the Fourth Proportional to 54,575.39, 81,863.08 and 15,132.50

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Solution

The fourth proportional to 54,575.39, 81,863.08 and 15,132.50 is: 22,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575.39 : 81,863.08 = 15,132.50 : x
  2. Step 2: Convert to fraction form
    54,575.39/81,863.08 = 15,132.50/x
  3. Step 3: Cross multiply
    54,575.39x = 81,863.08 × 15,132.50
  4. Step 4: Simplify right side
    54,575.39x = 1,238,793,058.10
  5. Step 5: Solve for x
    x = 1,238,793,058.10/54,575.39
  6. Step 6: Final answer
    x = 22,698.75

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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.