Home / 81,175.20-111,949.25-50,963.34

Finding the Fourth Proportional to 81,175.20, 111,949.25 and 50,963.34

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Solution

The fourth proportional to 81,175.20, 111,949.25 and 50,963.34 is: 70,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,175.20 : 111,949.25 = 50,963.34 : x
  2. Step 2: Convert to fraction form
    81,175.20/111,949.25 = 50,963.34/x
  3. Step 3: Cross multiply
    81,175.20x = 111,949.25 × 50,963.34
  4. Step 4: Simplify right side
    81,175.20x = 5,705,307,435.68
  5. Step 5: Solve for x
    x = 5,705,307,435.68/81,175.20
  6. Step 6: Final answer
    x = 70,283.87

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1.5x scale

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.