Home / 74,321.31-111,434.52-48,991.56

Finding the Fourth Proportional to 74,321.31, 111,434.52 and 48,991.56

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Solution

The fourth proportional to 74,321.31, 111,434.52 and 48,991.56 is: 73,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,321.31 : 111,434.52 = 48,991.56 : x
  2. Step 2: Convert to fraction form
    74,321.31/111,434.52 = 48,991.56/x
  3. Step 3: Cross multiply
    74,321.31x = 111,434.52 × 48,991.56
  4. Step 4: Simplify right side
    74,321.31x = 5,459,350,972.65
  5. Step 5: Solve for x
    x = 5,459,350,972.65/74,321.31
  6. Step 6: Final answer
    x = 73,456.06

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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.