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Finding the Fourth Proportional to 80,100.58, 120,126.27 and 37,968.20

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Solution

The fourth proportional to 80,100.58, 120,126.27 and 37,968.20 is: 56,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,100.58 : 120,126.27 = 37,968.20 : x
  2. Step 2: Convert to fraction form
    80,100.58/120,126.27 = 37,968.20/x
  3. Step 3: Cross multiply
    80,100.58x = 120,126.27 × 37,968.20
  4. Step 4: Simplify right side
    80,100.58x = 4,560,978,241.21
  5. Step 5: Solve for x
    x = 4,560,978,241.21/80,100.58
  6. Step 6: Final answer
    x = 56,940.64

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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.