Home / 109,995.40-165,013.62-50,791.96

Finding the Fourth Proportional to 109,995.40, 165,013.62 and 50,791.96

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Solution

The fourth proportional to 109,995.40, 165,013.62 and 50,791.96 is: 76,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,995.40 : 165,013.62 = 50,791.96 : x
  2. Step 2: Convert to fraction form
    109,995.40/165,013.62 = 50,791.96/x
  3. Step 3: Cross multiply
    109,995.40x = 165,013.62 × 50,791.96
  4. Step 4: Simplify right side
    109,995.40x = 8,381,365,186.50
  5. Step 5: Solve for x
    x = 8,381,365,186.50/109,995.40
  6. Step 6: Final answer
    x = 76,197.42

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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.