Home / 114,991.72-172,475.44-30,760.38

Finding the Fourth Proportional to 114,991.72, 172,475.44 and 30,760.38

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Solution

The fourth proportional to 114,991.72, 172,475.44 and 30,760.38 is: 46,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,991.72 : 172,475.44 = 30,760.38 : x
  2. Step 2: Convert to fraction form
    114,991.72/172,475.44 = 30,760.38/x
  3. Step 3: Cross multiply
    114,991.72x = 172,475.44 × 30,760.38
  4. Step 4: Simplify right side
    114,991.72x = 5,305,410,429.35
  5. Step 5: Solve for x
    x = 5,305,410,429.35/114,991.72
  6. Step 6: Final answer
    x = 46,137.33

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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.