Home / 54,117.48-81,177.61-25,647.75

Finding the Fourth Proportional to 54,117.48, 81,177.61 and 25,647.75

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Solution

The fourth proportional to 54,117.48, 81,177.61 and 25,647.75 is: 38,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.48 : 81,177.61 = 25,647.75 : x
  2. Step 2: Convert to fraction form
    54,117.48/81,177.61 = 25,647.75/x
  3. Step 3: Cross multiply
    54,117.48x = 81,177.61 × 25,647.75
  4. Step 4: Simplify right side
    54,117.48x = 2,082,023,046.88
  5. Step 5: Solve for x
    x = 2,082,023,046.88/54,117.48
  6. Step 6: Final answer
    x = 38,472.28

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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.