Home / 54,687.78-82,031.66-28,337.16

Finding the Fourth Proportional to 54,687.78, 82,031.66 and 28,337.16

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Solution

The fourth proportional to 54,687.78, 82,031.66 and 28,337.16 is: 42,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,687.78 : 82,031.66 = 28,337.16 : x
  2. Step 2: Convert to fraction form
    54,687.78/82,031.66 = 28,337.16/x
  3. Step 3: Cross multiply
    54,687.78x = 82,031.66 × 28,337.16
  4. Step 4: Simplify right side
    54,687.78x = 2,324,544,132.80
  5. Step 5: Solve for x
    x = 2,324,544,132.80/54,687.78
  6. Step 6: Final answer
    x = 42,505.73

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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.