Home / 74,257.44-111,375.20-21,652.80

Finding the Fourth Proportional to 74,257.44, 111,375.20 and 21,652.80

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Solution

The fourth proportional to 74,257.44, 111,375.20 and 21,652.80 is: 32,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,257.44 : 111,375.20 = 21,652.80 : x
  2. Step 2: Convert to fraction form
    74,257.44/111,375.20 = 21,652.80/x
  3. Step 3: Cross multiply
    74,257.44x = 111,375.20 × 21,652.80
  4. Step 4: Simplify right side
    74,257.44x = 2,411,584,930.56
  5. Step 5: Solve for x
    x = 2,411,584,930.56/74,257.44
  6. Step 6: Final answer
    x = 32,476.00

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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.