Home / 73,067.20-109,730.40-56,467.60

Finding the Fourth Proportional to 73,067.20, 109,730.40 and 56,467.60

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Solution

The fourth proportional to 73,067.20, 109,730.40 and 56,467.60 is: 84,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.20 : 109,730.40 = 56,467.60 : x
  2. Step 2: Convert to fraction form
    73,067.20/109,730.40 = 56,467.60/x
  3. Step 3: Cross multiply
    73,067.20x = 109,730.40 × 56,467.60
  4. Step 4: Simplify right side
    73,067.20x = 6,196,212,335.04
  5. Step 5: Solve for x
    x = 6,196,212,335.04/73,067.20
  6. Step 6: Final answer
    x = 84,801.56

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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.