Home / 90,542.57-124,942.86-50,256.34

Finding the Fourth Proportional to 90,542.57, 124,942.86 and 50,256.34

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Solution

The fourth proportional to 90,542.57, 124,942.86 and 50,256.34 is: 69,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,542.57 : 124,942.86 = 50,256.34 : x
  2. Step 2: Convert to fraction form
    90,542.57/124,942.86 = 50,256.34/x
  3. Step 3: Cross multiply
    90,542.57x = 124,942.86 × 50,256.34
  4. Step 4: Simplify right side
    90,542.57x = 6,279,170,540.38
  5. Step 5: Solve for x
    x = 6,279,170,540.38/90,542.57
  6. Step 6: Final answer
    x = 69,350.48

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1.5x scale

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.