Home / 49,819.97-68,712.68-31,916.64

Finding the Fourth Proportional to 49,819.97, 68,712.68 and 31,916.64

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Solution

The fourth proportional to 49,819.97, 68,712.68 and 31,916.64 is: 44,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,819.97 : 68,712.68 = 31,916.64 : x
  2. Step 2: Convert to fraction form
    49,819.97/68,712.68 = 31,916.64/x
  3. Step 3: Cross multiply
    49,819.97x = 68,712.68 × 31,916.64
  4. Step 4: Simplify right side
    49,819.97x = 2,193,078,208.46
  5. Step 5: Solve for x
    x = 2,193,078,208.46/49,819.97
  6. Step 6: Final answer
    x = 44,020.06

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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.