Home / 75,906.20-113,859.30-36,453.80

Finding the Fourth Proportional to 75,906.20, 113,859.30 and 36,453.80

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Solution

The fourth proportional to 75,906.20, 113,859.30 and 36,453.80 is: 54,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,906.20 : 113,859.30 = 36,453.80 : x
  2. Step 2: Convert to fraction form
    75,906.20/113,859.30 = 36,453.80/x
  3. Step 3: Cross multiply
    75,906.20x = 113,859.30 × 36,453.80
  4. Step 4: Simplify right side
    75,906.20x = 4,150,604,150.34
  5. Step 5: Solve for x
    x = 4,150,604,150.34/75,906.20
  6. Step 6: Final answer
    x = 54,680.70

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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.