Home / 91,453.06-126,198.03-51,163.66

Finding the Fourth Proportional to 91,453.06, 126,198.03 and 51,163.66

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Solution

The fourth proportional to 91,453.06, 126,198.03 and 51,163.66 is: 70,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453.06 : 126,198.03 = 51,163.66 : x
  2. Step 2: Convert to fraction form
    91,453.06/126,198.03 = 51,163.66/x
  3. Step 3: Cross multiply
    91,453.06x = 126,198.03 × 51,163.66
  4. Step 4: Simplify right side
    91,453.06x = 6,456,753,099.59
  5. Step 5: Solve for x
    x = 6,456,753,099.59/91,453.06
  6. Step 6: Final answer
    x = 70,601.83

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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.