Home / 80,565.45-111,180.44-44,754.54

Finding the Fourth Proportional to 80,565.45, 111,180.44 and 44,754.54

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Solution

The fourth proportional to 80,565.45, 111,180.44 and 44,754.54 is: 61,761.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,565.45 : 111,180.44 = 44,754.54 : x
  2. Step 2: Convert to fraction form
    80,565.45/111,180.44 = 44,754.54/x
  3. Step 3: Cross multiply
    80,565.45x = 111,180.44 × 44,754.54
  4. Step 4: Simplify right side
    80,565.45x = 4,975,829,561.08
  5. Step 5: Solve for x
    x = 4,975,829,561.08/80,565.45
  6. Step 6: Final answer
    x = 61,761.33

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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.