Home / 123,893.20-170,972.82-67,304.62

Finding the Fourth Proportional to 123,893.20, 170,972.82 and 67,304.62

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Solution

The fourth proportional to 123,893.20, 170,972.82 and 67,304.62 is: 92,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,893.20 : 170,972.82 = 67,304.62 : x
  2. Step 2: Convert to fraction form
    123,893.20/170,972.82 = 67,304.62/x
  3. Step 3: Cross multiply
    123,893.20x = 170,972.82 × 67,304.62
  4. Step 4: Simplify right side
    123,893.20x = 11,507,260,680.43
  5. Step 5: Solve for x
    x = 11,507,260,680.43/123,893.20
  6. Step 6: Final answer
    x = 92,880.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.