Home / 68,923.90-103,375.86-22,170.70

Finding the Fourth Proportional to 68,923.90, 103,375.86 and 22,170.70

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Solution

The fourth proportional to 68,923.90, 103,375.86 and 22,170.70 is: 33,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,923.90 : 103,375.86 = 22,170.70 : x
  2. Step 2: Convert to fraction form
    68,923.90/103,375.86 = 22,170.70/x
  3. Step 3: Cross multiply
    68,923.90x = 103,375.86 × 22,170.70
  4. Step 4: Simplify right side
    68,923.90x = 2,291,915,179.30
  5. Step 5: Solve for x
    x = 2,291,915,179.30/68,923.90
  6. Step 6: Final answer
    x = 33,252.84

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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.