Home / 98,091.20-146,927.96-74,134.85

Finding the Fourth Proportional to 98,091.20, 146,927.96 and 74,134.85

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Solution

The fourth proportional to 98,091.20, 146,927.96 and 74,134.85 is: 111,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,091.20 : 146,927.96 = 74,134.85 : x
  2. Step 2: Convert to fraction form
    98,091.20/146,927.96 = 74,134.85/x
  3. Step 3: Cross multiply
    98,091.20x = 146,927.96 × 74,134.85
  4. Step 4: Simplify right side
    98,091.20x = 10,892,481,170.09
  5. Step 5: Solve for x
    x = 10,892,481,170.09/98,091.20
  6. Step 6: Final answer
    x = 111,044.43

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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.