Home / 82,828.92-123,997.94-51,137.09

Finding the Fourth Proportional to 82,828.92, 123,997.94 and 51,137.09

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Solution

The fourth proportional to 82,828.92, 123,997.94 and 51,137.09 is: 76,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,828.92 : 123,997.94 = 51,137.09 : x
  2. Step 2: Convert to fraction form
    82,828.92/123,997.94 = 51,137.09/x
  3. Step 3: Cross multiply
    82,828.92x = 123,997.94 × 51,137.09
  4. Step 4: Simplify right side
    82,828.92x = 6,340,892,941.92
  5. Step 5: Solve for x
    x = 6,340,892,941.92/82,828.92
  6. Step 6: Final answer
    x = 76,554.09

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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.