Home / 110,485.32-165,704.10-31,578.36

Finding the Fourth Proportional to 110,485.32, 165,704.10 and 31,578.36

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Solution

The fourth proportional to 110,485.32, 165,704.10 and 31,578.36 is: 47,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,485.32 : 165,704.10 = 31,578.36 : x
  2. Step 2: Convert to fraction form
    110,485.32/165,704.10 = 31,578.36/x
  3. Step 3: Cross multiply
    110,485.32x = 165,704.10 × 31,578.36
  4. Step 4: Simplify right side
    110,485.32x = 5,232,663,723.28
  5. Step 5: Solve for x
    x = 5,232,663,723.28/110,485.32
  6. Step 6: Final answer
    x = 47,360.71

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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.