Home / 75,738.22-113,628.38-33,047.38

Finding the Fourth Proportional to 75,738.22, 113,628.38 and 33,047.38

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Solution

The fourth proportional to 75,738.22, 113,628.38 and 33,047.38 is: 49,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,738.22 : 113,628.38 = 33,047.38 : x
  2. Step 2: Convert to fraction form
    75,738.22/113,628.38 = 33,047.38/x
  3. Step 3: Cross multiply
    75,738.22x = 113,628.38 × 33,047.38
  4. Step 4: Simplify right side
    75,738.22x = 3,755,120,252.64
  5. Step 5: Solve for x
    x = 3,755,120,252.64/75,738.22
  6. Step 6: Final answer
    x = 49,580.25

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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.