Home / 54,160.72-81,243.17-16,717.43

Finding the Fourth Proportional to 54,160.72, 81,243.17 and 16,717.43

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Solution

The fourth proportional to 54,160.72, 81,243.17 and 16,717.43 is: 25,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,160.72 : 81,243.17 = 16,717.43 : x
  2. Step 2: Convert to fraction form
    54,160.72/81,243.17 = 16,717.43/x
  3. Step 3: Cross multiply
    54,160.72x = 81,243.17 × 16,717.43
  4. Step 4: Simplify right side
    54,160.72x = 1,358,177,007.45
  5. Step 5: Solve for x
    x = 1,358,177,007.45/54,160.72
  6. Step 6: Final answer
    x = 25,076.79

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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.