Home / 54,387.49-81,585.17-22,765.75

Finding the Fourth Proportional to 54,387.49, 81,585.17 and 22,765.75

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Solution

The fourth proportional to 54,387.49, 81,585.17 and 22,765.75 is: 34,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.49 : 81,585.17 = 22,765.75 : x
  2. Step 2: Convert to fraction form
    54,387.49/81,585.17 = 22,765.75/x
  3. Step 3: Cross multiply
    54,387.49x = 81,585.17 × 22,765.75
  4. Step 4: Simplify right side
    54,387.49x = 1,857,347,583.93
  5. Step 5: Solve for x
    x = 1,857,347,583.93/54,387.49
  6. Step 6: Final answer
    x = 34,150.27

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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.