Home / 74,117.20-111,204-44,555.44

Finding the Fourth Proportional to 74,117.20, 111,204 and 44,555.44

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Solution

The fourth proportional to 74,117.20, 111,204 and 44,555.44 is: 66,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,117.20 : 111,204 = 44,555.44 : x
  2. Step 2: Convert to fraction form
    74,117.20/111,204 = 44,555.44/x
  3. Step 3: Cross multiply
    74,117.20x = 111,204 × 44,555.44
  4. Step 4: Simplify right side
    74,117.20x = 4,954,743,149.76
  5. Step 5: Solve for x
    x = 4,954,743,149.76/74,117.20
  6. Step 6: Final answer
    x = 66,850.11

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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.