Home / 91,542.60-126,286.83-55,257.84

Finding the Fourth Proportional to 91,542.60, 126,286.83 and 55,257.84

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Solution

The fourth proportional to 91,542.60, 126,286.83 and 55,257.84 is: 76,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,542.60 : 126,286.83 = 55,257.84 : x
  2. Step 2: Convert to fraction form
    91,542.60/126,286.83 = 55,257.84/x
  3. Step 3: Cross multiply
    91,542.60x = 126,286.83 × 55,257.84
  4. Step 4: Simplify right side
    91,542.60x = 6,978,337,446.25
  5. Step 5: Solve for x
    x = 6,978,337,446.25/91,542.60
  6. Step 6: Final answer
    x = 76,230.49

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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.