Home / 91,451.47-126,197.88-50,613.37

Finding the Fourth Proportional to 91,451.47, 126,197.88 and 50,613.37

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Solution

The fourth proportional to 91,451.47, 126,197.88 and 50,613.37 is: 69,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,451.47 : 126,197.88 = 50,613.37 : x
  2. Step 2: Convert to fraction form
    91,451.47/126,197.88 = 50,613.37/x
  3. Step 3: Cross multiply
    91,451.47x = 126,197.88 × 50,613.37
  4. Step 4: Simplify right side
    91,451.47x = 6,387,299,993.66
  5. Step 5: Solve for x
    x = 6,387,299,993.66/91,451.47
  6. Step 6: Final answer
    x = 69,843.60

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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.