Home / 43,578.32-65,375.76-31,067.36

Finding the Fourth Proportional to 43,578.32, 65,375.76 and 31,067.36

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Solution

The fourth proportional to 43,578.32, 65,375.76 and 31,067.36 is: 46,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578.32 : 65,375.76 = 31,067.36 : x
  2. Step 2: Convert to fraction form
    43,578.32/65,375.76 = 31,067.36/x
  3. Step 3: Cross multiply
    43,578.32x = 65,375.76 × 31,067.36
  4. Step 4: Simplify right side
    43,578.32x = 2,031,052,271.19
  5. Step 5: Solve for x
    x = 2,031,052,271.19/43,578.32
  6. Step 6: Final answer
    x = 46,606.94

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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.