Home / 112,151.10-154,766.22-61,850.10

Finding the Fourth Proportional to 112,151.10, 154,766.22 and 61,850.10

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Solution

The fourth proportional to 112,151.10, 154,766.22 and 61,850.10 is: 85,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,151.10 : 154,766.22 = 61,850.10 : x
  2. Step 2: Convert to fraction form
    112,151.10/154,766.22 = 61,850.10/x
  3. Step 3: Cross multiply
    112,151.10x = 154,766.22 × 61,850.10
  4. Step 4: Simplify right side
    112,151.10x = 9,572,306,183.62
  5. Step 5: Solve for x
    x = 9,572,306,183.62/112,151.10
  6. Step 6: Final answer
    x = 85,351.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.