Home / 54,257.72-81,386.57-22,650.53

Finding the Fourth Proportional to 54,257.72, 81,386.57 and 22,650.53

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Solution

The fourth proportional to 54,257.72, 81,386.57 and 22,650.53 is: 33,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,257.72 : 81,386.57 = 22,650.53 : x
  2. Step 2: Convert to fraction form
    54,257.72/81,386.57 = 22,650.53/x
  3. Step 3: Cross multiply
    54,257.72x = 81,386.57 × 22,650.53
  4. Step 4: Simplify right side
    54,257.72x = 1,843,448,425.20
  5. Step 5: Solve for x
    x = 1,843,448,425.20/54,257.72
  6. Step 6: Final answer
    x = 33,975.78

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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.