Home / 90,736.46-136,104.39-23,268.43

Finding the Fourth Proportional to 90,736.46, 136,104.39 and 23,268.43

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Solution

The fourth proportional to 90,736.46, 136,104.39 and 23,268.43 is: 34,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.46 : 136,104.39 = 23,268.43 : x
  2. Step 2: Convert to fraction form
    90,736.46/136,104.39 = 23,268.43/x
  3. Step 3: Cross multiply
    90,736.46x = 136,104.39 × 23,268.43
  4. Step 4: Simplify right side
    90,736.46x = 3,166,934,919.58
  5. Step 5: Solve for x
    x = 3,166,934,919.58/90,736.46
  6. Step 6: Final answer
    x = 34,902.56

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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.