Home / 69,964.80-104,989.86-27,837.24

Finding the Fourth Proportional to 69,964.80, 104,989.86 and 27,837.24

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Solution

The fourth proportional to 69,964.80, 104,989.86 and 27,837.24 is: 41,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,964.80 : 104,989.86 = 27,837.24 : x
  2. Step 2: Convert to fraction form
    69,964.80/104,989.86 = 27,837.24/x
  3. Step 3: Cross multiply
    69,964.80x = 104,989.86 × 27,837.24
  4. Step 4: Simplify right side
    69,964.80x = 2,922,627,930.39
  5. Step 5: Solve for x
    x = 2,922,627,930.39/69,964.80
  6. Step 6: Final answer
    x = 41,772.83

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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.