Home / 54,462.42-81,620.91-29,109.96

Finding the Fourth Proportional to 54,462.42, 81,620.91 and 29,109.96

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Solution

The fourth proportional to 54,462.42, 81,620.91 and 29,109.96 is: 43,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,462.42 : 81,620.91 = 29,109.96 : x
  2. Step 2: Convert to fraction form
    54,462.42/81,620.91 = 29,109.96/x
  3. Step 3: Cross multiply
    54,462.42x = 81,620.91 × 29,109.96
  4. Step 4: Simplify right side
    54,462.42x = 2,375,981,425.26
  5. Step 5: Solve for x
    x = 2,375,981,425.26/54,462.42
  6. Step 6: Final answer
    x = 43,626.07

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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.