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Finding the Fourth Proportional to 80,012.64, 120,006.64 and 27,410.08

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Solution

The fourth proportional to 80,012.64, 120,006.64 and 27,410.08 is: 41,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,012.64 : 120,006.64 = 27,410.08 : x
  2. Step 2: Convert to fraction form
    80,012.64/120,006.64 = 27,410.08/x
  3. Step 3: Cross multiply
    80,012.64x = 120,006.64 × 27,410.08
  4. Step 4: Simplify right side
    80,012.64x = 3,289,391,602.93
  5. Step 5: Solve for x
    x = 3,289,391,602.93/80,012.64
  6. Step 6: Final answer
    x = 41,110.90

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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.