Home / 56,821.97-85,219.29-17,379.43

Finding the Fourth Proportional to 56,821.97, 85,219.29 and 17,379.43

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Solution

The fourth proportional to 56,821.97, 85,219.29 and 17,379.43 is: 26,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,821.97 : 85,219.29 = 17,379.43 : x
  2. Step 2: Convert to fraction form
    56,821.97/85,219.29 = 17,379.43/x
  3. Step 3: Cross multiply
    56,821.97x = 85,219.29 × 17,379.43
  4. Step 4: Simplify right side
    56,821.97x = 1,481,062,685.20
  5. Step 5: Solve for x
    x = 1,481,062,685.20/56,821.97
  6. Step 6: Final answer
    x = 26,064.97

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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.