Home / 69,918.40-104,843.26-29,931.73

Finding the Fourth Proportional to 69,918.40, 104,843.26 and 29,931.73

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Solution

The fourth proportional to 69,918.40, 104,843.26 and 29,931.73 is: 44,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918.40 : 104,843.26 = 29,931.73 : x
  2. Step 2: Convert to fraction form
    69,918.40/104,843.26 = 29,931.73/x
  3. Step 3: Cross multiply
    69,918.40x = 104,843.26 × 29,931.73
  4. Step 4: Simplify right side
    69,918.40x = 3,138,140,150.64
  5. Step 5: Solve for x
    x = 3,138,140,150.64/69,918.40
  6. Step 6: Final answer
    x = 44,882.89

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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.