Home / 48,880.12-73,262.52-20,791.72

Finding the Fourth Proportional to 48,880.12, 73,262.52 and 20,791.72

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Solution

The fourth proportional to 48,880.12, 73,262.52 and 20,791.72 is: 31,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,880.12 : 73,262.52 = 20,791.72 : x
  2. Step 2: Convert to fraction form
    48,880.12/73,262.52 = 20,791.72/x
  3. Step 3: Cross multiply
    48,880.12x = 73,262.52 × 20,791.72
  4. Step 4: Simplify right side
    48,880.12x = 1,523,253,802.33
  5. Step 5: Solve for x
    x = 1,523,253,802.33/48,880.12
  6. Step 6: Final answer
    x = 31,163.05

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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.