Home / 111,249.28-166,920-44,736.52

Finding the Fourth Proportional to 111,249.28, 166,920 and 44,736.52

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Solution

The fourth proportional to 111,249.28, 166,920 and 44,736.52 is: 67,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,249.28 : 166,920 = 44,736.52 : x
  2. Step 2: Convert to fraction form
    111,249.28/166,920 = 44,736.52/x
  3. Step 3: Cross multiply
    111,249.28x = 166,920 × 44,736.52
  4. Step 4: Simplify right side
    111,249.28x = 7,467,419,918.40
  5. Step 5: Solve for x
    x = 7,467,419,918.40/111,249.28
  6. Step 6: Final answer
    x = 67,123.31

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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.