Home / 90,912.33-125,456.18-50,625.23

Finding the Fourth Proportional to 90,912.33, 125,456.18 and 50,625.23

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Solution

The fourth proportional to 90,912.33, 125,456.18 and 50,625.23 is: 69,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,912.33 : 125,456.18 = 50,625.23 : x
  2. Step 2: Convert to fraction form
    90,912.33/125,456.18 = 50,625.23/x
  3. Step 3: Cross multiply
    90,912.33x = 125,456.18 × 50,625.23
  4. Step 4: Simplify right side
    90,912.33x = 6,351,247,087.01
  5. Step 5: Solve for x
    x = 6,351,247,087.01/90,912.33
  6. Step 6: Final answer
    x = 69,861.23

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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.