Home / 48,743.22-73,099.94-20,662.76

Finding the Fourth Proportional to 48,743.22, 73,099.94 and 20,662.76

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Solution

The fourth proportional to 48,743.22, 73,099.94 and 20,662.76 is: 30,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,743.22 : 73,099.94 = 20,662.76 : x
  2. Step 2: Convert to fraction form
    48,743.22/73,099.94 = 20,662.76/x
  3. Step 3: Cross multiply
    48,743.22x = 73,099.94 × 20,662.76
  4. Step 4: Simplify right side
    48,743.22x = 1,510,446,516.23
  5. Step 5: Solve for x
    x = 1,510,446,516.23/48,743.22
  6. Step 6: Final answer
    x = 30,987.83

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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.