Home / 69,982.39-104,941.99-20,051.06

Finding the Fourth Proportional to 69,982.39, 104,941.99 and 20,051.06

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Solution

The fourth proportional to 69,982.39, 104,941.99 and 20,051.06 is: 30,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,982.39 : 104,941.99 = 20,051.06 : x
  2. Step 2: Convert to fraction form
    69,982.39/104,941.99 = 20,051.06/x
  3. Step 3: Cross multiply
    69,982.39x = 104,941.99 × 20,051.06
  4. Step 4: Simplify right side
    69,982.39x = 2,104,197,563.17
  5. Step 5: Solve for x
    x = 2,104,197,563.17/69,982.39
  6. Step 6: Final answer
    x = 30,067.53

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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.