Home / 54,755.05-82,142.71-17,324.55

Finding the Fourth Proportional to 54,755.05, 82,142.71 and 17,324.55

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Solution

The fourth proportional to 54,755.05, 82,142.71 and 17,324.55 is: 25,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.05 : 82,142.71 = 17,324.55 : x
  2. Step 2: Convert to fraction form
    54,755.05/82,142.71 = 17,324.55/x
  3. Step 3: Cross multiply
    54,755.05x = 82,142.71 × 17,324.55
  4. Step 4: Simplify right side
    54,755.05x = 1,423,085,486.53
  5. Step 5: Solve for x
    x = 1,423,085,486.53/54,755.05
  6. Step 6: Final answer
    x = 25,990.03

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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.