Home / 91,764.96-137,707.92-50,241.12

Finding the Fourth Proportional to 91,764.96, 137,707.92 and 50,241.12

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Solution

The fourth proportional to 91,764.96, 137,707.92 and 50,241.12 is: 75,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,764.96 : 137,707.92 = 50,241.12 : x
  2. Step 2: Convert to fraction form
    91,764.96/137,707.92 = 50,241.12/x
  3. Step 3: Cross multiply
    91,764.96x = 137,707.92 × 50,241.12
  4. Step 4: Simplify right side
    91,764.96x = 6,918,600,133.67
  5. Step 5: Solve for x
    x = 6,918,600,133.67/91,764.96
  6. Step 6: Final answer
    x = 75,394.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.