Home / 90,512.82-124,900.92-50,223.42

Finding the Fourth Proportional to 90,512.82, 124,900.92 and 50,223.42

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Solution

The fourth proportional to 90,512.82, 124,900.92 and 50,223.42 is: 69,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,512.82 : 124,900.92 = 50,223.42 : x
  2. Step 2: Convert to fraction form
    90,512.82/124,900.92 = 50,223.42/x
  3. Step 3: Cross multiply
    90,512.82x = 124,900.92 × 50,223.42
  4. Step 4: Simplify right side
    90,512.82x = 6,272,951,363.55
  5. Step 5: Solve for x
    x = 6,272,951,363.55/90,512.82
  6. Step 6: Final answer
    x = 69,304.56

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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.