Home / 73,067.16-109,611.68-63,639.37

Finding the Fourth Proportional to 73,067.16, 109,611.68 and 63,639.37

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Solution

The fourth proportional to 73,067.16, 109,611.68 and 63,639.37 is: 95,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.16 : 109,611.68 = 63,639.37 : x
  2. Step 2: Convert to fraction form
    73,067.16/109,611.68 = 63,639.37/x
  3. Step 3: Cross multiply
    73,067.16x = 109,611.68 × 63,639.37
  4. Step 4: Simplify right side
    73,067.16x = 6,975,618,436.63
  5. Step 5: Solve for x
    x = 6,975,618,436.63/73,067.16
  6. Step 6: Final answer
    x = 95,468.58

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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.