Home / 80,791.50-121,189.41-27,483.38

Finding the Fourth Proportional to 80,791.50, 121,189.41 and 27,483.38

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Solution

The fourth proportional to 80,791.50, 121,189.41 and 27,483.38 is: 41,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,791.50 : 121,189.41 = 27,483.38 : x
  2. Step 2: Convert to fraction form
    80,791.50/121,189.41 = 27,483.38/x
  3. Step 3: Cross multiply
    80,791.50x = 121,189.41 × 27,483.38
  4. Step 4: Simplify right side
    80,791.50x = 3,330,694,001.06
  5. Step 5: Solve for x
    x = 3,330,694,001.06/80,791.50
  6. Step 6: Final answer
    x = 41,225.80

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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.