Home / 111,434.08-167,175.76-55,304.80

Finding the Fourth Proportional to 111,434.08, 167,175.76 and 55,304.80

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Solution

The fourth proportional to 111,434.08, 167,175.76 and 55,304.80 is: 82,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,434.08 : 167,175.76 = 55,304.80 : x
  2. Step 2: Convert to fraction form
    111,434.08/167,175.76 = 55,304.80/x
  3. Step 3: Cross multiply
    111,434.08x = 167,175.76 × 55,304.80
  4. Step 4: Simplify right side
    111,434.08x = 9,245,621,971.65
  5. Step 5: Solve for x
    x = 9,245,621,971.65/111,434.08
  6. Step 6: Final answer
    x = 82,969.43

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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.