Home / 54,198.62-81,306.72-16,749.95

Finding the Fourth Proportional to 54,198.62, 81,306.72 and 16,749.95

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Solution

The fourth proportional to 54,198.62, 81,306.72 and 16,749.95 is: 25,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198.62 : 81,306.72 = 16,749.95 : x
  2. Step 2: Convert to fraction form
    54,198.62/81,306.72 = 16,749.95/x
  3. Step 3: Cross multiply
    54,198.62x = 81,306.72 × 16,749.95
  4. Step 4: Simplify right side
    54,198.62x = 1,361,883,088.13
  5. Step 5: Solve for x
    x = 1,361,883,088.13/54,198.62
  6. Step 6: Final answer
    x = 25,127.64

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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.