Home / 54,821.57-82,242.72-17,391.06

Finding the Fourth Proportional to 54,821.57, 82,242.72 and 17,391.06

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Solution

The fourth proportional to 54,821.57, 82,242.72 and 17,391.06 is: 26,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,821.57 : 82,242.72 = 17,391.06 : x
  2. Step 2: Convert to fraction form
    54,821.57/82,242.72 = 17,391.06/x
  3. Step 3: Cross multiply
    54,821.57x = 82,242.72 × 17,391.06
  4. Step 4: Simplify right side
    54,821.57x = 1,430,288,078.08
  5. Step 5: Solve for x
    x = 1,430,288,078.08/54,821.57
  6. Step 6: Final answer
    x = 26,089.88

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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.