Home / 111,944.13-154,452.33-77,914.41

Finding the Fourth Proportional to 111,944.13, 154,452.33 and 77,914.41

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Solution

The fourth proportional to 111,944.13, 154,452.33 and 77,914.41 is: 107,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,944.13 : 154,452.33 = 77,914.41 : x
  2. Step 2: Convert to fraction form
    111,944.13/154,452.33 = 77,914.41/x
  3. Step 3: Cross multiply
    111,944.13x = 154,452.33 × 77,914.41
  4. Step 4: Simplify right side
    111,944.13x = 12,034,062,165.08
  5. Step 5: Solve for x
    x = 12,034,062,165.08/111,944.13
  6. Step 6: Final answer
    x = 107,500.61

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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.