Home / 82,375.33-113,690.10-52,163.41

Finding the Fourth Proportional to 82,375.33, 113,690.10 and 52,163.41

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Solution

The fourth proportional to 82,375.33, 113,690.10 and 52,163.41 is: 71,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,375.33 : 113,690.10 = 52,163.41 : x
  2. Step 2: Convert to fraction form
    82,375.33/113,690.10 = 52,163.41/x
  3. Step 3: Cross multiply
    82,375.33x = 113,690.10 × 52,163.41
  4. Step 4: Simplify right side
    82,375.33x = 5,930,463,299.24
  5. Step 5: Solve for x
    x = 5,930,463,299.24/82,375.33
  6. Step 6: Final answer
    x = 71,993.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.