Home / 69,942.22-104,913.33-20,022.50

Finding the Fourth Proportional to 69,942.22, 104,913.33 and 20,022.50

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Solution

The fourth proportional to 69,942.22, 104,913.33 and 20,022.50 is: 30,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,942.22 : 104,913.33 = 20,022.50 : x
  2. Step 2: Convert to fraction form
    69,942.22/104,913.33 = 20,022.50/x
  3. Step 3: Cross multiply
    69,942.22x = 104,913.33 × 20,022.50
  4. Step 4: Simplify right side
    69,942.22x = 2,100,626,625.36
  5. Step 5: Solve for x
    x = 2,100,626,625.36/69,942.22
  6. Step 6: Final answer
    x = 30,033.74

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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.