Home / 74,467.80-111,704.40-21,882.60

Finding the Fourth Proportional to 74,467.80, 111,704.40 and 21,882.60

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Solution

The fourth proportional to 74,467.80, 111,704.40 and 21,882.60 is: 32,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,467.80 : 111,704.40 = 21,882.60 : x
  2. Step 2: Convert to fraction form
    74,467.80/111,704.40 = 21,882.60/x
  3. Step 3: Cross multiply
    74,467.80x = 111,704.40 × 21,882.60
  4. Step 4: Simplify right side
    74,467.80x = 2,444,382,703.44
  5. Step 5: Solve for x
    x = 2,444,382,703.44/74,467.80
  6. Step 6: Final answer
    x = 32,824.69

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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.