Home / 73,122.40-109,651.20-33,691.60

Finding the Fourth Proportional to 73,122.40, 109,651.20 and 33,691.60

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Solution

The fourth proportional to 73,122.40, 109,651.20 and 33,691.60 is: 50,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.40 : 109,651.20 = 33,691.60 : x
  2. Step 2: Convert to fraction form
    73,122.40/109,651.20 = 33,691.60/x
  3. Step 3: Cross multiply
    73,122.40x = 109,651.20 × 33,691.60
  4. Step 4: Simplify right side
    73,122.40x = 3,694,324,369.92
  5. Step 5: Solve for x
    x = 3,694,324,369.92/73,122.40
  6. Step 6: Final answer
    x = 50,522.47

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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.