Home / 77,005.25-115,553.96-33,229.25

Finding the Fourth Proportional to 77,005.25, 115,553.96 and 33,229.25

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Solution

The fourth proportional to 77,005.25, 115,553.96 and 33,229.25 is: 49,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,005.25 : 115,553.96 = 33,229.25 : x
  2. Step 2: Convert to fraction form
    77,005.25/115,553.96 = 33,229.25/x
  3. Step 3: Cross multiply
    77,005.25x = 115,553.96 × 33,229.25
  4. Step 4: Simplify right side
    77,005.25x = 3,839,771,425.33
  5. Step 5: Solve for x
    x = 3,839,771,425.33/77,005.25
  6. Step 6: Final answer
    x = 49,863.76

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1.5x scale

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.