Home / 56,764.11-85,145.92-17,321.09

Finding the Fourth Proportional to 56,764.11, 85,145.92 and 17,321.09

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Solution

The fourth proportional to 56,764.11, 85,145.92 and 17,321.09 is: 25,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.11 : 85,145.92 = 17,321.09 : x
  2. Step 2: Convert to fraction form
    56,764.11/85,145.92 = 17,321.09/x
  3. Step 3: Cross multiply
    56,764.11x = 85,145.92 × 17,321.09
  4. Step 4: Simplify right side
    56,764.11x = 1,474,820,143.45
  5. Step 5: Solve for x
    x = 1,474,820,143.45/56,764.11
  6. Step 6: Final answer
    x = 25,981.56

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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.