Home / 120,791.16-166,697.35-67,076.39

Finding the Fourth Proportional to 120,791.16, 166,697.35 and 67,076.39

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Solution

The fourth proportional to 120,791.16, 166,697.35 and 67,076.39 is: 92,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,791.16 : 166,697.35 = 67,076.39 : x
  2. Step 2: Convert to fraction form
    120,791.16/166,697.35 = 67,076.39/x
  3. Step 3: Cross multiply
    120,791.16x = 166,697.35 × 67,076.39
  4. Step 4: Simplify right side
    120,791.16x = 11,181,455,627.08
  5. Step 5: Solve for x
    x = 11,181,455,627.08/120,791.16
  6. Step 6: Final answer
    x = 92,568.49

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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.