Home / 111,948.20-167,980.62-49,604.12

Finding the Fourth Proportional to 111,948.20, 167,980.62 and 49,604.12

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Solution

The fourth proportional to 111,948.20, 167,980.62 and 49,604.12 is: 74,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,948.20 : 167,980.62 = 49,604.12 : x
  2. Step 2: Convert to fraction form
    111,948.20/167,980.62 = 49,604.12/x
  3. Step 3: Cross multiply
    111,948.20x = 167,980.62 × 49,604.12
  4. Step 4: Simplify right side
    111,948.20x = 8,332,530,832.15
  5. Step 5: Solve for x
    x = 8,332,530,832.15/111,948.20
  6. Step 6: Final answer
    x = 74,432.02

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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.