Home / 54,044.75-81,028.29-25,565.91

Finding the Fourth Proportional to 54,044.75, 81,028.29 and 25,565.91

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Solution

The fourth proportional to 54,044.75, 81,028.29 and 25,565.91 is: 38,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,044.75 : 81,028.29 = 25,565.91 : x
  2. Step 2: Convert to fraction form
    54,044.75/81,028.29 = 25,565.91/x
  3. Step 3: Cross multiply
    54,044.75x = 81,028.29 × 25,565.91
  4. Step 4: Simplify right side
    54,044.75x = 2,071,561,969.59
  5. Step 5: Solve for x
    x = 2,071,561,969.59/54,044.75
  6. Step 6: Final answer
    x = 38,330.49

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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.