Home / 69,864.97-104,788.78-19,949.44

Finding the Fourth Proportional to 69,864.97, 104,788.78 and 19,949.44

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Solution

The fourth proportional to 69,864.97, 104,788.78 and 19,949.44 is: 29,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,864.97 : 104,788.78 = 19,949.44 : x
  2. Step 2: Convert to fraction form
    69,864.97/104,788.78 = 19,949.44/x
  3. Step 3: Cross multiply
    69,864.97x = 104,788.78 × 19,949.44
  4. Step 4: Simplify right side
    69,864.97x = 2,090,477,479.28
  5. Step 5: Solve for x
    x = 2,090,477,479.28/69,864.97
  6. Step 6: Final answer
    x = 29,921.68

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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.