Home / 87,578.77-131,418.15-34,275.10

Finding the Fourth Proportional to 87,578.77, 131,418.15 and 34,275.10

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Solution

The fourth proportional to 87,578.77, 131,418.15 and 34,275.10 is: 51,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,578.77 : 131,418.15 = 34,275.10 : x
  2. Step 2: Convert to fraction form
    87,578.77/131,418.15 = 34,275.10/x
  3. Step 3: Cross multiply
    87,578.77x = 131,418.15 × 34,275.10
  4. Step 4: Simplify right side
    87,578.77x = 4,504,370,022.40
  5. Step 5: Solve for x
    x = 4,504,370,022.40/87,578.77
  6. Step 6: Final answer
    x = 51,432.21

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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.