Home / 91,240.27-125,912.09-50,957.55

Finding the Fourth Proportional to 91,240.27, 125,912.09 and 50,957.55

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Solution

The fourth proportional to 91,240.27, 125,912.09 and 50,957.55 is: 70,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,240.27 : 125,912.09 = 50,957.55 : x
  2. Step 2: Convert to fraction form
    91,240.27/125,912.09 = 50,957.55/x
  3. Step 3: Cross multiply
    91,240.27x = 125,912.09 × 50,957.55
  4. Step 4: Simplify right side
    91,240.27x = 6,416,171,749.17
  5. Step 5: Solve for x
    x = 6,416,171,749.17/91,240.27
  6. Step 6: Final answer
    x = 70,321.71

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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.