Home / 80,125.04-120,190.02-27,533.78

Finding the Fourth Proportional to 80,125.04, 120,190.02 and 27,533.78

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Solution

The fourth proportional to 80,125.04, 120,190.02 and 27,533.78 is: 41,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,125.04 : 120,190.02 = 27,533.78 : x
  2. Step 2: Convert to fraction form
    80,125.04/120,190.02 = 27,533.78/x
  3. Step 3: Cross multiply
    80,125.04x = 120,190.02 × 27,533.78
  4. Step 4: Simplify right side
    80,125.04x = 3,309,285,568.88
  5. Step 5: Solve for x
    x = 3,309,285,568.88/80,125.04
  6. Step 6: Final answer
    x = 41,301.52

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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.