Home / 54,077.76-81,061.92-25,956.72

Finding the Fourth Proportional to 54,077.76, 81,061.92 and 25,956.72

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Solution

The fourth proportional to 54,077.76, 81,061.92 and 25,956.72 is: 38,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.76 : 81,061.92 = 25,956.72 : x
  2. Step 2: Convert to fraction form
    54,077.76/81,061.92 = 25,956.72/x
  3. Step 3: Cross multiply
    54,077.76x = 81,061.92 × 25,956.72
  4. Step 4: Simplify right side
    54,077.76x = 2,104,101,560.10
  5. Step 5: Solve for x
    x = 2,104,101,560.10/54,077.76
  6. Step 6: Final answer
    x = 38,908.82

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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.