Home / 114,729.09-172,067.64-43,626.38

Finding the Fourth Proportional to 114,729.09, 172,067.64 and 43,626.38

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Solution

The fourth proportional to 114,729.09, 172,067.64 and 43,626.38 is: 65,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,729.09 : 172,067.64 = 43,626.38 : x
  2. Step 2: Convert to fraction form
    114,729.09/172,067.64 = 43,626.38/x
  3. Step 3: Cross multiply
    114,729.09x = 172,067.64 × 43,626.38
  4. Step 4: Simplify right side
    114,729.09x = 7,506,687,469.80
  5. Step 5: Solve for x
    x = 7,506,687,469.80/114,729.09
  6. Step 6: Final answer
    x = 65,429.68

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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.