Home / 69,415.14-104,121.49-27,299.60

Finding the Fourth Proportional to 69,415.14, 104,121.49 and 27,299.60

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Solution

The fourth proportional to 69,415.14, 104,121.49 and 27,299.60 is: 40,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,415.14 : 104,121.49 = 27,299.60 : x
  2. Step 2: Convert to fraction form
    69,415.14/104,121.49 = 27,299.60/x
  3. Step 3: Cross multiply
    69,415.14x = 104,121.49 × 27,299.60
  4. Step 4: Simplify right side
    69,415.14x = 2,842,474,507.80
  5. Step 5: Solve for x
    x = 2,842,474,507.80/69,415.14
  6. Step 6: Final answer
    x = 40,948.91

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1.5x scale

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.