Home / 54,520.89-81,781.23-17,083.83

Finding the Fourth Proportional to 54,520.89, 81,781.23 and 17,083.83

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Solution

The fourth proportional to 54,520.89, 81,781.23 and 17,083.83 is: 25,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.89 : 81,781.23 = 17,083.83 : x
  2. Step 2: Convert to fraction form
    54,520.89/81,781.23 = 17,083.83/x
  3. Step 3: Cross multiply
    54,520.89x = 81,781.23 × 17,083.83
  4. Step 4: Simplify right side
    54,520.89x = 1,397,136,445.14
  5. Step 5: Solve for x
    x = 1,397,136,445.14/54,520.89
  6. Step 6: Final answer
    x = 25,625.71

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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.