Home / 64,067.64-96,119-30,815.52

Finding the Fourth Proportional to 64,067.64, 96,119 and 30,815.52

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Solution

The fourth proportional to 64,067.64, 96,119 and 30,815.52 is: 46,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,067.64 : 96,119 = 30,815.52 : x
  2. Step 2: Convert to fraction form
    64,067.64/96,119 = 30,815.52/x
  3. Step 3: Cross multiply
    64,067.64x = 96,119 × 30,815.52
  4. Step 4: Simplify right side
    64,067.64x = 2,961,956,966.88
  5. Step 5: Solve for x
    x = 2,961,956,966.88/64,067.64
  6. Step 6: Final answer
    x = 46,231.72

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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.