Home / 48,742.73-73,099.20-20,662.25

Finding the Fourth Proportional to 48,742.73, 73,099.20 and 20,662.25

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Solution

The fourth proportional to 48,742.73, 73,099.20 and 20,662.25 is: 30,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742.73 : 73,099.20 = 20,662.25 : x
  2. Step 2: Convert to fraction form
    48,742.73/73,099.20 = 20,662.25/x
  3. Step 3: Cross multiply
    48,742.73x = 73,099.20 × 20,662.25
  4. Step 4: Simplify right side
    48,742.73x = 1,510,393,945.20
  5. Step 5: Solve for x
    x = 1,510,393,945.20/48,742.73
  6. Step 6: Final answer
    x = 30,987.06

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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.