Home / 80,186.44-110,656.64-44,378.40

Finding the Fourth Proportional to 80,186.44, 110,656.64 and 44,378.40

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Solution

The fourth proportional to 80,186.44, 110,656.64 and 44,378.40 is: 61,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,186.44 : 110,656.64 = 44,378.40 : x
  2. Step 2: Convert to fraction form
    80,186.44/110,656.64 = 44,378.40/x
  3. Step 3: Cross multiply
    80,186.44x = 110,656.64 × 44,378.40
  4. Step 4: Simplify right side
    80,186.44x = 4,910,764,632.58
  5. Step 5: Solve for x
    x = 4,910,764,632.58/80,186.44
  6. Step 6: Final answer
    x = 61,241.83

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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.