Home / 99,710.12-149,532.89-33,132.38

Finding the Fourth Proportional to 99,710.12, 149,532.89 and 33,132.38

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Solution

The fourth proportional to 99,710.12, 149,532.89 and 33,132.38 is: 49,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,710.12 : 149,532.89 = 33,132.38 : x
  2. Step 2: Convert to fraction form
    99,710.12/149,532.89 = 33,132.38/x
  3. Step 3: Cross multiply
    99,710.12x = 149,532.89 × 33,132.38
  4. Step 4: Simplify right side
    99,710.12x = 4,954,379,620.65
  5. Step 5: Solve for x
    x = 4,954,379,620.65/99,710.12
  6. Step 6: Final answer
    x = 49,687.83

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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.