Home / 40,761.87-61,138.71-11,182.68

Finding the Fourth Proportional to 40,761.87, 61,138.71 and 11,182.68

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Solution

The fourth proportional to 40,761.87, 61,138.71 and 11,182.68 is: 16,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,761.87 : 61,138.71 = 11,182.68 : x
  2. Step 2: Convert to fraction form
    40,761.87/61,138.71 = 11,182.68/x
  3. Step 3: Cross multiply
    40,761.87x = 61,138.71 × 11,182.68
  4. Step 4: Simplify right side
    40,761.87x = 683,694,629.54
  5. Step 5: Solve for x
    x = 683,694,629.54/40,761.87
  6. Step 6: Final answer
    x = 16,772.90

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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.