Home / 75,811.44-113,661-36,330.96

Finding the Fourth Proportional to 75,811.44, 113,661 and 36,330.96

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Solution

The fourth proportional to 75,811.44, 113,661 and 36,330.96 is: 54,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,811.44 : 113,661 = 36,330.96 : x
  2. Step 2: Convert to fraction form
    75,811.44/113,661 = 36,330.96/x
  3. Step 3: Cross multiply
    75,811.44x = 113,661 × 36,330.96
  4. Step 4: Simplify right side
    75,811.44x = 4,129,413,244.56
  5. Step 5: Solve for x
    x = 4,129,413,244.56/75,811.44
  6. Step 6: Final answer
    x = 54,469.53

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1.5x scale

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.