Home / 80,554.44-111,205.54-50,356.56

Finding the Fourth Proportional to 80,554.44, 111,205.54 and 50,356.56

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Solution

The fourth proportional to 80,554.44, 111,205.54 and 50,356.56 is: 69,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,554.44 : 111,205.54 = 50,356.56 : x
  2. Step 2: Convert to fraction form
    80,554.44/111,205.54 = 50,356.56/x
  3. Step 3: Cross multiply
    80,554.44x = 111,205.54 × 50,356.56
  4. Step 4: Simplify right side
    80,554.44x = 5,599,928,447.34
  5. Step 5: Solve for x
    x = 5,599,928,447.34/80,554.44
  6. Step 6: Final answer
    x = 69,517.32

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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.