Home / 90,922.20-125,472.28-50,636.44

Finding the Fourth Proportional to 90,922.20, 125,472.28 and 50,636.44

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Solution

The fourth proportional to 90,922.20, 125,472.28 and 50,636.44 is: 69,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922.20 : 125,472.28 = 50,636.44 : x
  2. Step 2: Convert to fraction form
    90,922.20/125,472.28 = 50,636.44/x
  3. Step 3: Cross multiply
    90,922.20x = 125,472.28 × 50,636.44
  4. Step 4: Simplify right side
    90,922.20x = 6,353,469,577.88
  5. Step 5: Solve for x
    x = 6,353,469,577.88/90,922.20
  6. Step 6: Final answer
    x = 69,878.09

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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.