Home / 69,406.67-104,152.83-27,279.36

Finding the Fourth Proportional to 69,406.67, 104,152.83 and 27,279.36

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Solution

The fourth proportional to 69,406.67, 104,152.83 and 27,279.36 is: 40,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,406.67 : 104,152.83 = 27,279.36 : x
  2. Step 2: Convert to fraction form
    69,406.67/104,152.83 = 27,279.36/x
  3. Step 3: Cross multiply
    69,406.67x = 104,152.83 × 27,279.36
  4. Step 4: Simplify right side
    69,406.67x = 2,841,222,544.59
  5. Step 5: Solve for x
    x = 2,841,222,544.59/69,406.67
  6. Step 6: Final answer
    x = 40,935.87

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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.