Home / 80,578.67-111,202.03-44,768.68

Finding the Fourth Proportional to 80,578.67, 111,202.03 and 44,768.68

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Solution

The fourth proportional to 80,578.67, 111,202.03 and 44,768.68 is: 61,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,578.67 : 111,202.03 = 44,768.68 : x
  2. Step 2: Convert to fraction form
    80,578.67/111,202.03 = 44,768.68/x
  3. Step 3: Cross multiply
    80,578.67x = 111,202.03 × 44,768.68
  4. Step 4: Simplify right side
    80,578.67x = 4,978,368,096.42
  5. Step 5: Solve for x
    x = 4,978,368,096.42/80,578.67
  6. Step 6: Final answer
    x = 61,782.70

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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.