Home / 87,844.69-131,770.68-25,515.19

Finding the Fourth Proportional to 87,844.69, 131,770.68 and 25,515.19

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Solution

The fourth proportional to 87,844.69, 131,770.68 and 25,515.19 is: 38,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.69 : 131,770.68 = 25,515.19 : x
  2. Step 2: Convert to fraction form
    87,844.69/131,770.68 = 25,515.19/x
  3. Step 3: Cross multiply
    87,844.69x = 131,770.68 × 25,515.19
  4. Step 4: Simplify right side
    87,844.69x = 3,362,153,543.41
  5. Step 5: Solve for x
    x = 3,362,153,543.41/87,844.69
  6. Step 6: Final answer
    x = 38,273.84

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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.