Home / 82,203.42-123,231.08-29,575.88

Finding the Fourth Proportional to 82,203.42, 123,231.08 and 29,575.88

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Solution

The fourth proportional to 82,203.42, 123,231.08 and 29,575.88 is: 44,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,203.42 : 123,231.08 = 29,575.88 : x
  2. Step 2: Convert to fraction form
    82,203.42/123,231.08 = 29,575.88/x
  3. Step 3: Cross multiply
    82,203.42x = 123,231.08 × 29,575.88
  4. Step 4: Simplify right side
    82,203.42x = 3,644,667,018.20
  5. Step 5: Solve for x
    x = 3,644,667,018.20/82,203.42
  6. Step 6: Final answer
    x = 44,337.17

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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.