Home / 76,184.82-114,245.64-28,791.72

Finding the Fourth Proportional to 76,184.82, 114,245.64 and 28,791.72

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Solution

The fourth proportional to 76,184.82, 114,245.64 and 28,791.72 is: 43,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,184.82 : 114,245.64 = 28,791.72 : x
  2. Step 2: Convert to fraction form
    76,184.82/114,245.64 = 28,791.72/x
  3. Step 3: Cross multiply
    76,184.82x = 114,245.64 × 28,791.72
  4. Step 4: Simplify right side
    76,184.82x = 3,289,328,478.10
  5. Step 5: Solve for x
    x = 3,289,328,478.10/76,184.82
  6. Step 6: Final answer
    x = 43,175.64

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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.