Home / 49,908.18-68,856.57-31,044.09

Finding the Fourth Proportional to 49,908.18, 68,856.57 and 31,044.09

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Solution

The fourth proportional to 49,908.18, 68,856.57 and 31,044.09 is: 42,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,908.18 : 68,856.57 = 31,044.09 : x
  2. Step 2: Convert to fraction form
    49,908.18/68,856.57 = 31,044.09/x
  3. Step 3: Cross multiply
    49,908.18x = 68,856.57 × 31,044.09
  4. Step 4: Simplify right side
    49,908.18x = 2,137,589,556.17
  5. Step 5: Solve for x
    x = 2,137,589,556.17/49,908.18
  6. Step 6: Final answer
    x = 42,830.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.