Home / 80,219.04-120,328.80-27,627.84

Finding the Fourth Proportional to 80,219.04, 120,328.80 and 27,627.84

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Solution

The fourth proportional to 80,219.04, 120,328.80 and 27,627.84 is: 41,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,219.04 : 120,328.80 = 27,627.84 : x
  2. Step 2: Convert to fraction form
    80,219.04/120,328.80 = 27,627.84/x
  3. Step 3: Cross multiply
    80,219.04x = 120,328.80 × 27,627.84
  4. Step 4: Simplify right side
    80,219.04x = 3,324,424,833.79
  5. Step 5: Solve for x
    x = 3,324,424,833.79/80,219.04
  6. Step 6: Final answer
    x = 41,441.84

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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.