Home / 54,182.55-81,253.62-18,633.83

Finding the Fourth Proportional to 54,182.55, 81,253.62 and 18,633.83

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Solution

The fourth proportional to 54,182.55, 81,253.62 and 18,633.83 is: 27,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,182.55 : 81,253.62 = 18,633.83 : x
  2. Step 2: Convert to fraction form
    54,182.55/81,253.62 = 18,633.83/x
  3. Step 3: Cross multiply
    54,182.55x = 81,253.62 × 18,633.83
  4. Step 4: Simplify right side
    54,182.55x = 1,514,065,735.70
  5. Step 5: Solve for x
    x = 1,514,065,735.70/54,182.55
  6. Step 6: Final answer
    x = 27,943.79

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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.