Home / 74,757.78-112,158.30-22,168.53

Finding the Fourth Proportional to 74,757.78, 112,158.30 and 22,168.53

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Solution

The fourth proportional to 74,757.78, 112,158.30 and 22,168.53 is: 33,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,757.78 : 112,158.30 = 22,168.53 : x
  2. Step 2: Convert to fraction form
    74,757.78/112,158.30 = 22,168.53/x
  3. Step 3: Cross multiply
    74,757.78x = 112,158.30 × 22,168.53
  4. Step 4: Simplify right side
    74,757.78x = 2,486,384,638.30
  5. Step 5: Solve for x
    x = 2,486,384,638.30/74,757.78
  6. Step 6: Final answer
    x = 33,259.21

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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.