Home / 96,781.86-145,214.37-50,067.54

Finding the Fourth Proportional to 96,781.86, 145,214.37 and 50,067.54

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Solution

The fourth proportional to 96,781.86, 145,214.37 and 50,067.54 is: 75,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,781.86 : 145,214.37 = 50,067.54 : x
  2. Step 2: Convert to fraction form
    96,781.86/145,214.37 = 50,067.54/x
  3. Step 3: Cross multiply
    96,781.86x = 145,214.37 × 50,067.54
  4. Step 4: Simplify right side
    96,781.86x = 7,270,526,278.55
  5. Step 5: Solve for x
    x = 7,270,526,278.55/96,781.86
  6. Step 6: Final answer
    x = 75,122.82

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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.