Home / 56,821.26-85,223.68-17,367.78

Finding the Fourth Proportional to 56,821.26, 85,223.68 and 17,367.78

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Solution

The fourth proportional to 56,821.26, 85,223.68 and 17,367.78 is: 26,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,821.26 : 85,223.68 = 17,367.78 : x
  2. Step 2: Convert to fraction form
    56,821.26/85,223.68 = 17,367.78/x
  3. Step 3: Cross multiply
    56,821.26x = 85,223.68 × 17,367.78
  4. Step 4: Simplify right side
    56,821.26x = 1,480,146,401.20
  5. Step 5: Solve for x
    x = 1,480,146,401.20/56,821.26
  6. Step 6: Final answer
    x = 26,049.16

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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.