Home / 75,819.76-113,496.36-49,467.76

Finding the Fourth Proportional to 75,819.76, 113,496.36 and 49,467.76

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Solution

The fourth proportional to 75,819.76, 113,496.36 and 49,467.76 is: 74,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,819.76 : 113,496.36 = 49,467.76 : x
  2. Step 2: Convert to fraction form
    75,819.76/113,496.36 = 49,467.76/x
  3. Step 3: Cross multiply
    75,819.76x = 113,496.36 × 49,467.76
  4. Step 4: Simplify right side
    75,819.76x = 5,614,410,697.35
  5. Step 5: Solve for x
    x = 5,614,410,697.35/75,819.76
  6. Step 6: Final answer
    x = 74,049.44

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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.