Home / 54,034.16-81,046.37-38,306.59

Finding the Fourth Proportional to 54,034.16, 81,046.37 and 38,306.59

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Solution

The fourth proportional to 54,034.16, 81,046.37 and 38,306.59 is: 57,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,034.16 : 81,046.37 = 38,306.59 : x
  2. Step 2: Convert to fraction form
    54,034.16/81,046.37 = 38,306.59/x
  3. Step 3: Cross multiply
    54,034.16x = 81,046.37 × 38,306.59
  4. Step 4: Simplify right side
    54,034.16x = 3,104,610,066.58
  5. Step 5: Solve for x
    x = 3,104,610,066.58/54,034.16
  6. Step 6: Final answer
    x = 57,456.43

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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.