Home / 87,694.82-131,501.33-45,563.57

Finding the Fourth Proportional to 87,694.82, 131,501.33 and 45,563.57

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Solution

The fourth proportional to 87,694.82, 131,501.33 and 45,563.57 is: 68,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,694.82 : 131,501.33 = 45,563.57 : x
  2. Step 2: Convert to fraction form
    87,694.82/131,501.33 = 45,563.57/x
  3. Step 3: Cross multiply
    87,694.82x = 131,501.33 × 45,563.57
  4. Step 4: Simplify right side
    87,694.82x = 5,991,670,054.55
  5. Step 5: Solve for x
    x = 5,991,670,054.55/87,694.82
  6. Step 6: Final answer
    x = 68,324.10

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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.