Home / 82,175.42-123,198.60-34,751.72

Finding the Fourth Proportional to 82,175.42, 123,198.60 and 34,751.72

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Solution

The fourth proportional to 82,175.42, 123,198.60 and 34,751.72 is: 52,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,175.42 : 123,198.60 = 34,751.72 : x
  2. Step 2: Convert to fraction form
    82,175.42/123,198.60 = 34,751.72/x
  3. Step 3: Cross multiply
    82,175.42x = 123,198.60 × 34,751.72
  4. Step 4: Simplify right side
    82,175.42x = 4,281,363,251.59
  5. Step 5: Solve for x
    x = 4,281,363,251.59/82,175.42
  6. Step 6: Final answer
    x = 52,100.29

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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.