Home / 54,521.08-81,781.51-17,084.02

Finding the Fourth Proportional to 54,521.08, 81,781.51 and 17,084.02

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Solution

The fourth proportional to 54,521.08, 81,781.51 and 17,084.02 is: 25,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,521.08 : 81,781.51 = 17,084.02 : x
  2. Step 2: Convert to fraction form
    54,521.08/81,781.51 = 17,084.02/x
  3. Step 3: Cross multiply
    54,521.08x = 81,781.51 × 17,084.02
  4. Step 4: Simplify right side
    54,521.08x = 1,397,156,500.85
  5. Step 5: Solve for x
    x = 1,397,156,500.85/54,521.08
  6. Step 6: Final answer
    x = 25,625.99

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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.