Home / 90,668.26-125,119.72-50,380.98

Finding the Fourth Proportional to 90,668.26, 125,119.72 and 50,380.98

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Solution

The fourth proportional to 90,668.26, 125,119.72 and 50,380.98 is: 69,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,668.26 : 125,119.72 = 50,380.98 : x
  2. Step 2: Convert to fraction form
    90,668.26/125,119.72 = 50,380.98/x
  3. Step 3: Cross multiply
    90,668.26x = 125,119.72 × 50,380.98
  4. Step 4: Simplify right side
    90,668.26x = 6,303,654,110.93
  5. Step 5: Solve for x
    x = 6,303,654,110.93/90,668.26
  6. Step 6: Final answer
    x = 69,524.38

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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.