Home / 54,371.28-75,032.49-31,725.84

Finding the Fourth Proportional to 54,371.28, 75,032.49 and 31,725.84

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Solution

The fourth proportional to 54,371.28, 75,032.49 and 31,725.84 is: 43,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.28 : 75,032.49 = 31,725.84 : x
  2. Step 2: Convert to fraction form
    54,371.28/75,032.49 = 31,725.84/x
  3. Step 3: Cross multiply
    54,371.28x = 75,032.49 × 31,725.84
  4. Step 4: Simplify right side
    54,371.28x = 2,380,468,772.54
  5. Step 5: Solve for x
    x = 2,380,468,772.54/54,371.28
  6. Step 6: Final answer
    x = 43,781.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.