Home / 91,204.80-125,850.40-50,912.72

Finding the Fourth Proportional to 91,204.80, 125,850.40 and 50,912.72

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Solution

The fourth proportional to 91,204.80, 125,850.40 and 50,912.72 is: 70,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,204.80 : 125,850.40 = 50,912.72 : x
  2. Step 2: Convert to fraction form
    91,204.80/125,850.40 = 50,912.72/x
  3. Step 3: Cross multiply
    91,204.80x = 125,850.40 × 50,912.72
  4. Step 4: Simplify right side
    91,204.80x = 6,407,386,177.09
  5. Step 5: Solve for x
    x = 6,407,386,177.09/91,204.80
  6. Step 6: Final answer
    x = 70,252.73

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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.