Home / 109,067.64-163,605.11-30,175.26

Finding the Fourth Proportional to 109,067.64, 163,605.11 and 30,175.26

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Solution

The fourth proportional to 109,067.64, 163,605.11 and 30,175.26 is: 45,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,067.64 : 163,605.11 = 30,175.26 : x
  2. Step 2: Convert to fraction form
    109,067.64/163,605.11 = 30,175.26/x
  3. Step 3: Cross multiply
    109,067.64x = 163,605.11 × 30,175.26
  4. Step 4: Simplify right side
    109,067.64x = 4,936,826,580.70
  5. Step 5: Solve for x
    x = 4,936,826,580.70/109,067.64
  6. Step 6: Final answer
    x = 45,263.90

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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.