Home / 87,568.09-131,388.58-43,195.38

Finding the Fourth Proportional to 87,568.09, 131,388.58 and 43,195.38

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Solution

The fourth proportional to 87,568.09, 131,388.58 and 43,195.38 is: 64,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.09 : 131,388.58 = 43,195.38 : x
  2. Step 2: Convert to fraction form
    87,568.09/131,388.58 = 43,195.38/x
  3. Step 3: Cross multiply
    87,568.09x = 131,388.58 × 43,195.38
  4. Step 4: Simplify right side
    87,568.09x = 5,675,379,202.05
  5. Step 5: Solve for x
    x = 5,675,379,202.05/87,568.09
  6. Step 6: Final answer
    x = 64,811.04

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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.