Home / 87,767.20-131,647.84-35,162.56

Finding the Fourth Proportional to 87,767.20, 131,647.84 and 35,162.56

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Solution

The fourth proportional to 87,767.20, 131,647.84 and 35,162.56 is: 52,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,767.20 : 131,647.84 = 35,162.56 : x
  2. Step 2: Convert to fraction form
    87,767.20/131,647.84 = 35,162.56/x
  3. Step 3: Cross multiply
    87,767.20x = 131,647.84 × 35,162.56
  4. Step 4: Simplify right side
    87,767.20x = 4,629,075,072.87
  5. Step 5: Solve for x
    x = 4,629,075,072.87/87,767.20
  6. Step 6: Final answer
    x = 52,742.65

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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.