Home / 89,067.44-122,913.08-48,781.30

Finding the Fourth Proportional to 89,067.44, 122,913.08 and 48,781.30

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Solution

The fourth proportional to 89,067.44, 122,913.08 and 48,781.30 is: 67,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,067.44 : 122,913.08 = 48,781.30 : x
  2. Step 2: Convert to fraction form
    89,067.44/122,913.08 = 48,781.30/x
  3. Step 3: Cross multiply
    89,067.44x = 122,913.08 × 48,781.30
  4. Step 4: Simplify right side
    89,067.44x = 5,995,860,070.25
  5. Step 5: Solve for x
    x = 5,995,860,070.25/89,067.44
  6. Step 6: Final answer
    x = 67,318.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.