Home / 54,388.91-81,507.47-29,375.07

Finding the Fourth Proportional to 54,388.91, 81,507.47 and 29,375.07

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Solution

The fourth proportional to 54,388.91, 81,507.47 and 29,375.07 is: 44,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,388.91 : 81,507.47 = 29,375.07 : x
  2. Step 2: Convert to fraction form
    54,388.91/81,507.47 = 29,375.07/x
  3. Step 3: Cross multiply
    54,388.91x = 81,507.47 × 29,375.07
  4. Step 4: Simplify right side
    54,388.91x = 2,394,287,489.90
  5. Step 5: Solve for x
    x = 2,394,287,489.90/54,388.91
  6. Step 6: Final answer
    x = 44,021.62

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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.