Home / 91,376.26-126,098.40-50,540.38

Finding the Fourth Proportional to 91,376.26, 126,098.40 and 50,540.38

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Solution

The fourth proportional to 91,376.26, 126,098.40 and 50,540.38 is: 69,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,376.26 : 126,098.40 = 50,540.38 : x
  2. Step 2: Convert to fraction form
    91,376.26/126,098.40 = 50,540.38/x
  3. Step 3: Cross multiply
    91,376.26x = 126,098.40 × 50,540.38
  4. Step 4: Simplify right side
    91,376.26x = 6,373,061,053.39
  5. Step 5: Solve for x
    x = 6,373,061,053.39/91,376.26
  6. Step 6: Final answer
    x = 69,745.26

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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.