Home / 111,723.72-167,361.20-51,668.02

Finding the Fourth Proportional to 111,723.72, 167,361.20 and 51,668.02

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Solution

The fourth proportional to 111,723.72, 167,361.20 and 51,668.02 is: 77,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,723.72 : 167,361.20 = 51,668.02 : x
  2. Step 2: Convert to fraction form
    111,723.72/167,361.20 = 51,668.02/x
  3. Step 3: Cross multiply
    111,723.72x = 167,361.20 × 51,668.02
  4. Step 4: Simplify right side
    111,723.72x = 8,647,221,828.82
  5. Step 5: Solve for x
    x = 8,647,221,828.82/111,723.72
  6. Step 6: Final answer
    x = 77,398.26

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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.