Home / 111,707.17-167,508.11-40,579.65

Finding the Fourth Proportional to 111,707.17, 167,508.11 and 40,579.65

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Solution

The fourth proportional to 111,707.17, 167,508.11 and 40,579.65 is: 60,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,707.17 : 167,508.11 = 40,579.65 : x
  2. Step 2: Convert to fraction form
    111,707.17/167,508.11 = 40,579.65/x
  3. Step 3: Cross multiply
    111,707.17x = 167,508.11 × 40,579.65
  4. Step 4: Simplify right side
    111,707.17x = 6,797,420,731.02
  5. Step 5: Solve for x
    x = 6,797,420,731.02/111,707.17
  6. Step 6: Final answer
    x = 60,850.35

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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.