Home / 91,134.43-125,765.34-50,845.79

Finding the Fourth Proportional to 91,134.43, 125,765.34 and 50,845.79

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Solution

The fourth proportional to 91,134.43, 125,765.34 and 50,845.79 is: 70,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,134.43 : 125,765.34 = 50,845.79 : x
  2. Step 2: Convert to fraction form
    91,134.43/125,765.34 = 50,845.79/x
  3. Step 3: Cross multiply
    91,134.43x = 125,765.34 × 50,845.79
  4. Step 4: Simplify right side
    91,134.43x = 6,394,638,190.66
  5. Step 5: Solve for x
    x = 6,394,638,190.66/91,134.43
  6. Step 6: Final answer
    x = 70,167.10

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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.