Home / 108,672.12-163,067.04-45,497.82

Finding the Fourth Proportional to 108,672.12, 163,067.04 and 45,497.82

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Solution

The fourth proportional to 108,672.12, 163,067.04 and 45,497.82 is: 68,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,672.12 : 163,067.04 = 45,497.82 : x
  2. Step 2: Convert to fraction form
    108,672.12/163,067.04 = 45,497.82/x
  3. Step 3: Cross multiply
    108,672.12x = 163,067.04 × 45,497.82
  4. Step 4: Simplify right side
    108,672.12x = 7,419,194,833.85
  5. Step 5: Solve for x
    x = 7,419,194,833.85/108,672.12
  6. Step 6: Final answer
    x = 68,271.37

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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.