Home / 91,019.73-125,611.49-50,733.75

Finding the Fourth Proportional to 91,019.73, 125,611.49 and 50,733.75

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Solution

The fourth proportional to 91,019.73, 125,611.49 and 50,733.75 is: 70,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,019.73 : 125,611.49 = 50,733.75 : x
  2. Step 2: Convert to fraction form
    91,019.73/125,611.49 = 50,733.75/x
  3. Step 3: Cross multiply
    91,019.73x = 125,611.49 × 50,733.75
  4. Step 4: Simplify right side
    91,019.73x = 6,372,741,930.79
  5. Step 5: Solve for x
    x = 6,372,741,930.79/91,019.73
  6. Step 6: Final answer
    x = 70,014.95

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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.