Home / 73,185.38-109,768.35-20,599.37

Finding the Fourth Proportional to 73,185.38, 109,768.35 and 20,599.37

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Solution

The fourth proportional to 73,185.38, 109,768.35 and 20,599.37 is: 30,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,185.38 : 109,768.35 = 20,599.37 : x
  2. Step 2: Convert to fraction form
    73,185.38/109,768.35 = 20,599.37/x
  3. Step 3: Cross multiply
    73,185.38x = 109,768.35 × 20,599.37
  4. Step 4: Simplify right side
    73,185.38x = 2,261,158,855.94
  5. Step 5: Solve for x
    x = 2,261,158,855.94/73,185.38
  6. Step 6: Final answer
    x = 30,896.32

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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.