Home / 80,670.33-111,323.57-44,855.78

Finding the Fourth Proportional to 80,670.33, 111,323.57 and 44,855.78

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Solution

The fourth proportional to 80,670.33, 111,323.57 and 44,855.78 is: 61,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,670.33 : 111,323.57 = 44,855.78 : x
  2. Step 2: Convert to fraction form
    80,670.33/111,323.57 = 44,855.78/x
  3. Step 3: Cross multiply
    80,670.33x = 111,323.57 × 44,855.78
  4. Step 4: Simplify right side
    80,670.33x = 4,993,504,783.84
  5. Step 5: Solve for x
    x = 4,993,504,783.84/80,670.33
  6. Step 6: Final answer
    x = 61,900.14

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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.