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Finding the Fourth Proportional to 69,442.44, 104,168.57 and 34,372.68

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Solution

The fourth proportional to 69,442.44, 104,168.57 and 34,372.68 is: 51,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,442.44 : 104,168.57 = 34,372.68 : x
  2. Step 2: Convert to fraction form
    69,442.44/104,168.57 = 34,372.68/x
  3. Step 3: Cross multiply
    69,442.44x = 104,168.57 × 34,372.68
  4. Step 4: Simplify right side
    69,442.44x = 3,580,552,922.67
  5. Step 5: Solve for x
    x = 3,580,552,922.67/69,442.44
  6. Step 6: Final answer
    x = 51,561.45

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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.