Home / 82,311.68-123,442.08-29,714.36

Finding the Fourth Proportional to 82,311.68, 123,442.08 and 29,714.36

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Solution

The fourth proportional to 82,311.68, 123,442.08 and 29,714.36 is: 44,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311.68 : 123,442.08 = 29,714.36 : x
  2. Step 2: Convert to fraction form
    82,311.68/123,442.08 = 29,714.36/x
  3. Step 3: Cross multiply
    82,311.68x = 123,442.08 × 29,714.36
  4. Step 4: Simplify right side
    82,311.68x = 3,668,002,404.27
  5. Step 5: Solve for x
    x = 3,668,002,404.27/82,311.68
  6. Step 6: Final answer
    x = 44,562.36

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1.5x scale

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.