Home / 87,592.98-131,547.86-80,922.30

Finding the Fourth Proportional to 87,592.98, 131,547.86 and 80,922.30

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Solution

The fourth proportional to 87,592.98, 131,547.86 and 80,922.30 is: 121,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.98 : 131,547.86 = 80,922.30 : x
  2. Step 2: Convert to fraction form
    87,592.98/131,547.86 = 80,922.30/x
  3. Step 3: Cross multiply
    87,592.98x = 131,547.86 × 80,922.30
  4. Step 4: Simplify right side
    87,592.98x = 10,645,155,391.28
  5. Step 5: Solve for x
    x = 10,645,155,391.28/87,592.98
  6. Step 6: Final answer
    x = 121,529.78

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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.