Home / 85,940.46-118,609.92-50,149.80

Finding the Fourth Proportional to 85,940.46, 118,609.92 and 50,149.80

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Solution

The fourth proportional to 85,940.46, 118,609.92 and 50,149.80 is: 69,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,940.46 : 118,609.92 = 50,149.80 : x
  2. Step 2: Convert to fraction form
    85,940.46/118,609.92 = 50,149.80/x
  3. Step 3: Cross multiply
    85,940.46x = 118,609.92 × 50,149.80
  4. Step 4: Simplify right side
    85,940.46x = 5,948,263,766.02
  5. Step 5: Solve for x
    x = 5,948,263,766.02/85,940.46
  6. Step 6: Final answer
    x = 69,213.78

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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.