Home / 90,351.10-135,516.39-23,796.44

Finding the Fourth Proportional to 90,351.10, 135,516.39 and 23,796.44

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Solution

The fourth proportional to 90,351.10, 135,516.39 and 23,796.44 is: 35,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,351.10 : 135,516.39 = 23,796.44 : x
  2. Step 2: Convert to fraction form
    90,351.10/135,516.39 = 23,796.44/x
  3. Step 3: Cross multiply
    90,351.10x = 135,516.39 × 23,796.44
  4. Step 4: Simplify right side
    90,351.10x = 3,224,807,204.66
  5. Step 5: Solve for x
    x = 3,224,807,204.66/90,351.10
  6. Step 6: Final answer
    x = 35,691.95

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1.5x scale

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.