Home / 82,375.34-113,690.10-52,163.42

Finding the Fourth Proportional to 82,375.34, 113,690.10 and 52,163.42

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Solution

The fourth proportional to 82,375.34, 113,690.10 and 52,163.42 is: 71,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,375.34 : 113,690.10 = 52,163.42 : x
  2. Step 2: Convert to fraction form
    82,375.34/113,690.10 = 52,163.42/x
  3. Step 3: Cross multiply
    82,375.34x = 113,690.10 × 52,163.42
  4. Step 4: Simplify right side
    82,375.34x = 5,930,464,436.14
  5. Step 5: Solve for x
    x = 5,930,464,436.14/82,375.34
  6. Step 6: Final answer
    x = 71,993.20

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1.5x scale

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.