Home / 54,306.38-81,472.32-16,864.52

Finding the Fourth Proportional to 54,306.38, 81,472.32 and 16,864.52

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Solution

The fourth proportional to 54,306.38, 81,472.32 and 16,864.52 is: 25,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.38 : 81,472.32 = 16,864.52 : x
  2. Step 2: Convert to fraction form
    54,306.38/81,472.32 = 16,864.52/x
  3. Step 3: Cross multiply
    54,306.38x = 81,472.32 × 16,864.52
  4. Step 4: Simplify right side
    54,306.38x = 1,373,991,570.09
  5. Step 5: Solve for x
    x = 1,373,991,570.09/54,306.38
  6. Step 6: Final answer
    x = 25,300.74

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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.