Home / 82,236.92-123,521.20-49,021.85

Finding the Fourth Proportional to 82,236.92, 123,521.20 and 49,021.85

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Solution

The fourth proportional to 82,236.92, 123,521.20 and 49,021.85 is: 73,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,236.92 : 123,521.20 = 49,021.85 : x
  2. Step 2: Convert to fraction form
    82,236.92/123,521.20 = 49,021.85/x
  3. Step 3: Cross multiply
    82,236.92x = 123,521.20 × 49,021.85
  4. Step 4: Simplify right side
    82,236.92x = 6,055,237,924.47
  5. Step 5: Solve for x
    x = 6,055,237,924.47/82,236.92
  6. Step 6: Final answer
    x = 73,631.63

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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.