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Finding the Fourth Proportional to 80,000.36, 120,026.46 and 27,410.30

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Solution

The fourth proportional to 80,000.36, 120,026.46 and 27,410.30 is: 41,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,000.36 : 120,026.46 = 27,410.30 : x
  2. Step 2: Convert to fraction form
    80,000.36/120,026.46 = 27,410.30/x
  3. Step 3: Cross multiply
    80,000.36x = 120,026.46 × 27,410.30
  4. Step 4: Simplify right side
    80,000.36x = 3,289,961,276.54
  5. Step 5: Solve for x
    x = 3,289,961,276.54/80,000.36
  6. Step 6: Final answer
    x = 41,124.33

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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.