Home / 48,756.21-73,119.83-20,675.85

Finding the Fourth Proportional to 48,756.21, 73,119.83 and 20,675.85

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Solution

The fourth proportional to 48,756.21, 73,119.83 and 20,675.85 is: 31,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,756.21 : 73,119.83 = 20,675.85 : x
  2. Step 2: Convert to fraction form
    48,756.21/73,119.83 = 20,675.85/x
  3. Step 3: Cross multiply
    48,756.21x = 73,119.83 × 20,675.85
  4. Step 4: Simplify right side
    48,756.21x = 1,511,814,533.73
  5. Step 5: Solve for x
    x = 1,511,814,533.73/48,756.21
  6. Step 6: Final answer
    x = 31,007.63

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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.