Home / 80,654.31-120,975.39-32,625.97

Finding the Fourth Proportional to 80,654.31, 120,975.39 and 32,625.97

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Solution

The fourth proportional to 80,654.31, 120,975.39 and 32,625.97 is: 48,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,654.31 : 120,975.39 = 32,625.97 : x
  2. Step 2: Convert to fraction form
    80,654.31/120,975.39 = 32,625.97/x
  3. Step 3: Cross multiply
    80,654.31x = 120,975.39 × 32,625.97
  4. Step 4: Simplify right side
    80,654.31x = 3,946,939,142.44
  5. Step 5: Solve for x
    x = 3,946,939,142.44/80,654.31
  6. Step 6: Final answer
    x = 48,936.49

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1.5x scale

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.