Home / 80,008.02-120,029.04-27,403.38

Finding the Fourth Proportional to 80,008.02, 120,029.04 and 27,403.38

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Solution

The fourth proportional to 80,008.02, 120,029.04 and 27,403.38 is: 41,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,008.02 : 120,029.04 = 27,403.38 : x
  2. Step 2: Convert to fraction form
    80,008.02/120,029.04 = 27,403.38/x
  3. Step 3: Cross multiply
    80,008.02x = 120,029.04 × 27,403.38
  4. Step 4: Simplify right side
    80,008.02x = 3,289,201,394.16
  5. Step 5: Solve for x
    x = 3,289,201,394.16/80,008.02
  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.