Home / 87,823.38-131,759.72-35,269.76

Finding the Fourth Proportional to 87,823.38, 131,759.72 and 35,269.76

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Solution

The fourth proportional to 87,823.38, 131,759.72 and 35,269.76 is: 52,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,823.38 : 131,759.72 = 35,269.76 : x
  2. Step 2: Convert to fraction form
    87,823.38/131,759.72 = 35,269.76/x
  3. Step 3: Cross multiply
    87,823.38x = 131,759.72 × 35,269.76
  4. Step 4: Simplify right side
    87,823.38x = 4,647,133,702.07
  5. Step 5: Solve for x
    x = 4,647,133,702.07/87,823.38
  6. Step 6: Final answer
    x = 52,914.54

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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.