Home / 87,733.64-131,619.90-40,961

Finding the Fourth Proportional to 87,733.64, 131,619.90 and 40,961

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Solution

The fourth proportional to 87,733.64, 131,619.90 and 40,961 is: 61,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,733.64 : 131,619.90 = 40,961 : x
  2. Step 2: Convert to fraction form
    87,733.64/131,619.90 = 40,961/x
  3. Step 3: Cross multiply
    87,733.64x = 131,619.90 × 40,961
  4. Step 4: Simplify right side
    87,733.64x = 5,391,282,723.90
  5. Step 5: Solve for x
    x = 5,391,282,723.90/87,733.64
  6. Step 6: Final answer
    x = 61,450.58

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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.