Home / 49,756.97-68,731.80-39,755.54

Finding the Fourth Proportional to 49,756.97, 68,731.80 and 39,755.54

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Solution

The fourth proportional to 49,756.97, 68,731.80 and 39,755.54 is: 54,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,756.97 : 68,731.80 = 39,755.54 : x
  2. Step 2: Convert to fraction form
    49,756.97/68,731.80 = 39,755.54/x
  3. Step 3: Cross multiply
    49,756.97x = 68,731.80 × 39,755.54
  4. Step 4: Simplify right side
    49,756.97x = 2,732,469,846.92
  5. Step 5: Solve for x
    x = 2,732,469,846.92/49,756.97
  6. Step 6: Final answer
    x = 54,916.32

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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.