Home / 54,612.57-81,929.79-17,182.06

Finding the Fourth Proportional to 54,612.57, 81,929.79 and 17,182.06

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Solution

The fourth proportional to 54,612.57, 81,929.79 and 17,182.06 is: 25,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.57 : 81,929.79 = 17,182.06 : x
  2. Step 2: Convert to fraction form
    54,612.57/81,929.79 = 17,182.06/x
  3. Step 3: Cross multiply
    54,612.57x = 81,929.79 × 17,182.06
  4. Step 4: Simplify right side
    54,612.57x = 1,407,722,567.57
  5. Step 5: Solve for x
    x = 1,407,722,567.57/54,612.57
  6. Step 6: Final answer
    x = 25,776.53

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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.