Home / 90,517.67-124,912.49-50,231.10

Finding the Fourth Proportional to 90,517.67, 124,912.49 and 50,231.10

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Solution

The fourth proportional to 90,517.67, 124,912.49 and 50,231.10 is: 69,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,517.67 : 124,912.49 = 50,231.10 : x
  2. Step 2: Convert to fraction form
    90,517.67/124,912.49 = 50,231.10/x
  3. Step 3: Cross multiply
    90,517.67x = 124,912.49 × 50,231.10
  4. Step 4: Simplify right side
    90,517.67x = 6,274,491,525.28
  5. Step 5: Solve for x
    x = 6,274,491,525.28/90,517.67
  6. Step 6: Final answer
    x = 69,317.87

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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.