Home / 82,331.70-123,492.69-50,747.79

Finding the Fourth Proportional to 82,331.70, 123,492.69 and 50,747.79

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Solution

The fourth proportional to 82,331.70, 123,492.69 and 50,747.79 is: 76,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,331.70 : 123,492.69 = 50,747.79 : x
  2. Step 2: Convert to fraction form
    82,331.70/123,492.69 = 50,747.79/x
  3. Step 3: Cross multiply
    82,331.70x = 123,492.69 × 50,747.79
  4. Step 4: Simplify right side
    82,331.70x = 6,266,981,098.66
  5. Step 5: Solve for x
    x = 6,266,981,098.66/82,331.70
  6. Step 6: Final answer
    x = 76,118.69

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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.