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Finding the Fourth Proportional to 69,283.90, 103,936.74 and 22,525.84

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Solution

The fourth proportional to 69,283.90, 103,936.74 and 22,525.84 is: 33,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,283.90 : 103,936.74 = 22,525.84 : x
  2. Step 2: Convert to fraction form
    69,283.90/103,936.74 = 22,525.84/x
  3. Step 3: Cross multiply
    69,283.90x = 103,936.74 × 22,525.84
  4. Step 4: Simplify right side
    69,283.90x = 2,341,262,375.36
  5. Step 5: Solve for x
    x = 2,341,262,375.36/69,283.90
  6. Step 6: Final answer
    x = 33,792.30

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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.