Home / 80,021.93-120,047.51-27,436.73

Finding the Fourth Proportional to 80,021.93, 120,047.51 and 27,436.73

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Solution

The fourth proportional to 80,021.93, 120,047.51 and 27,436.73 is: 41,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,021.93 : 120,047.51 = 27,436.73 : x
  2. Step 2: Convert to fraction form
    80,021.93/120,047.51 = 27,436.73/x
  3. Step 3: Cross multiply
    80,021.93x = 120,047.51 × 27,436.73
  4. Step 4: Simplify right side
    80,021.93x = 3,293,711,119.04
  5. Step 5: Solve for x
    x = 3,293,711,119.04/80,021.93
  6. Step 6: Final answer
    x = 41,160.11

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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.