Home / 90,592.62-135,899.72-43,811.88

Finding the Fourth Proportional to 90,592.62, 135,899.72 and 43,811.88

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Solution

The fourth proportional to 90,592.62, 135,899.72 and 43,811.88 is: 65,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.62 : 135,899.72 = 43,811.88 : x
  2. Step 2: Convert to fraction form
    90,592.62/135,899.72 = 43,811.88/x
  3. Step 3: Cross multiply
    90,592.62x = 135,899.72 × 43,811.88
  4. Step 4: Simplify right side
    90,592.62x = 5,954,022,224.67
  5. Step 5: Solve for x
    x = 5,954,022,224.67/90,592.62
  6. Step 6: Final answer
    x = 65,723.04

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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.