Home / 65,255.67-90,096.17-50,121.27

Finding the Fourth Proportional to 65,255.67, 90,096.17 and 50,121.27

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Solution

The fourth proportional to 65,255.67, 90,096.17 and 50,121.27 is: 69,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,255.67 : 90,096.17 = 50,121.27 : x
  2. Step 2: Convert to fraction form
    65,255.67/90,096.17 = 50,121.27/x
  3. Step 3: Cross multiply
    65,255.67x = 90,096.17 × 50,121.27
  4. Step 4: Simplify right side
    65,255.67x = 4,515,734,211.93
  5. Step 5: Solve for x
    x = 4,515,734,211.93/65,255.67
  6. Step 6: Final answer
    x = 69,200.64

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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.