Home / 51,198.92-76,832.96-17,919.26

Finding the Fourth Proportional to 51,198.92, 76,832.96 and 17,919.26

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Solution

The fourth proportional to 51,198.92, 76,832.96 and 17,919.26 is: 26,890.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,198.92 : 76,832.96 = 17,919.26 : x
  2. Step 2: Convert to fraction form
    51,198.92/76,832.96 = 17,919.26/x
  3. Step 3: Cross multiply
    51,198.92x = 76,832.96 × 17,919.26
  4. Step 4: Simplify right side
    51,198.92x = 1,376,789,601.17
  5. Step 5: Solve for x
    x = 1,376,789,601.17/51,198.92
  6. Step 6: Final answer
    x = 26,890.99

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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.