Home / 90,942.22-125,493.81-50,104.54

Finding the Fourth Proportional to 90,942.22, 125,493.81 and 50,104.54

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Solution

The fourth proportional to 90,942.22, 125,493.81 and 50,104.54 is: 69,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,942.22 : 125,493.81 = 50,104.54 : x
  2. Step 2: Convert to fraction form
    90,942.22/125,493.81 = 50,104.54/x
  3. Step 3: Cross multiply
    90,942.22x = 125,493.81 × 50,104.54
  4. Step 4: Simplify right side
    90,942.22x = 6,287,809,622.90
  5. Step 5: Solve for x
    x = 6,287,809,622.90/90,942.22
  6. Step 6: Final answer
    x = 69,140.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.