Home / 74,635.47-111,992.10-33,072.75

Finding the Fourth Proportional to 74,635.47, 111,992.10 and 33,072.75

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Solution

The fourth proportional to 74,635.47, 111,992.10 and 33,072.75 is: 49,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,635.47 : 111,992.10 = 33,072.75 : x
  2. Step 2: Convert to fraction form
    74,635.47/111,992.10 = 33,072.75/x
  3. Step 3: Cross multiply
    74,635.47x = 111,992.10 × 33,072.75
  4. Step 4: Simplify right side
    74,635.47x = 3,703,886,725.28
  5. Step 5: Solve for x
    x = 3,703,886,725.28/74,635.47
  6. Step 6: Final answer
    x = 49,626.36

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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.