Home / 91,268.20-136,922.70-32,105.80

Finding the Fourth Proportional to 91,268.20, 136,922.70 and 32,105.80

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Solution

The fourth proportional to 91,268.20, 136,922.70 and 32,105.80 is: 48,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,268.20 : 136,922.70 = 32,105.80 : x
  2. Step 2: Convert to fraction form
    91,268.20/136,922.70 = 32,105.80/x
  3. Step 3: Cross multiply
    91,268.20x = 136,922.70 × 32,105.80
  4. Step 4: Simplify right side
    91,268.20x = 4,396,012,821.66
  5. Step 5: Solve for x
    x = 4,396,012,821.66/91,268.20
  6. Step 6: Final answer
    x = 48,165.88

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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.