Home / 76,676.28-115,019.22-24,087.72

Finding the Fourth Proportional to 76,676.28, 115,019.22 and 24,087.72

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Solution

The fourth proportional to 76,676.28, 115,019.22 and 24,087.72 is: 36,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,676.28 : 115,019.22 = 24,087.72 : x
  2. Step 2: Convert to fraction form
    76,676.28/115,019.22 = 24,087.72/x
  3. Step 3: Cross multiply
    76,676.28x = 115,019.22 × 24,087.72
  4. Step 4: Simplify right side
    76,676.28x = 2,770,550,765.98
  5. Step 5: Solve for x
    x = 2,770,550,765.98/76,676.28
  6. Step 6: Final answer
    x = 36,133.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.