Home / 81,175.61-111,949.80-50,963.74

Finding the Fourth Proportional to 81,175.61, 111,949.80 and 50,963.74

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Solution

The fourth proportional to 81,175.61, 111,949.80 and 50,963.74 is: 70,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,175.61 : 111,949.80 = 50,963.74 : x
  2. Step 2: Convert to fraction form
    81,175.61/111,949.80 = 50,963.74/x
  3. Step 3: Cross multiply
    81,175.61x = 111,949.80 × 50,963.74
  4. Step 4: Simplify right side
    81,175.61x = 5,705,380,500.25
  5. Step 5: Solve for x
    x = 5,705,380,500.25/81,175.61
  6. Step 6: Final answer
    x = 70,284.42

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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.