Home / 68,231.20-102,346.80-50,735.20

Finding the Fourth Proportional to 68,231.20, 102,346.80 and 50,735.20

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Solution

The fourth proportional to 68,231.20, 102,346.80 and 50,735.20 is: 76,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,231.20 : 102,346.80 = 50,735.20 : x
  2. Step 2: Convert to fraction form
    68,231.20/102,346.80 = 50,735.20/x
  3. Step 3: Cross multiply
    68,231.20x = 102,346.80 × 50,735.20
  4. Step 4: Simplify right side
    68,231.20x = 5,192,585,367.36
  5. Step 5: Solve for x
    x = 5,192,585,367.36/68,231.20
  6. Step 6: Final answer
    x = 76,102.80

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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.