Home / 80,441.23-111,006.79-44,142.57

Finding the Fourth Proportional to 80,441.23, 111,006.79 and 44,142.57

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Solution

The fourth proportional to 80,441.23, 111,006.79 and 44,142.57 is: 60,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,441.23 : 111,006.79 = 44,142.57 : x
  2. Step 2: Convert to fraction form
    80,441.23/111,006.79 = 44,142.57/x
  3. Step 3: Cross multiply
    80,441.23x = 111,006.79 × 44,142.57
  4. Step 4: Simplify right side
    80,441.23x = 4,900,124,998.05
  5. Step 5: Solve for x
    x = 4,900,124,998.05/80,441.23
  6. Step 6: Final answer
    x = 60,915.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.