Home / 110,905.31-166,297.17-54,621.65

Finding the Fourth Proportional to 110,905.31, 166,297.17 and 54,621.65

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Solution

The fourth proportional to 110,905.31, 166,297.17 and 54,621.65 is: 81,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,905.31 : 166,297.17 = 54,621.65 : x
  2. Step 2: Convert to fraction form
    110,905.31/166,297.17 = 54,621.65/x
  3. Step 3: Cross multiply
    110,905.31x = 166,297.17 × 54,621.65
  4. Step 4: Simplify right side
    110,905.31x = 9,083,425,815.73
  5. Step 5: Solve for x
    x = 9,083,425,815.73/110,905.31
  6. Step 6: Final answer
    x = 81,902.53

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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.