Home / 65,049.97-89,767.79-36,755.05

Finding the Fourth Proportional to 65,049.97, 89,767.79 and 36,755.05

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Solution

The fourth proportional to 65,049.97, 89,767.79 and 36,755.05 is: 50,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,049.97 : 89,767.79 = 36,755.05 : x
  2. Step 2: Convert to fraction form
    65,049.97/89,767.79 = 36,755.05/x
  3. Step 3: Cross multiply
    65,049.97x = 89,767.79 × 36,755.05
  4. Step 4: Simplify right side
    65,049.97x = 3,299,419,201.64
  5. Step 5: Solve for x
    x = 3,299,419,201.64/65,049.97
  6. Step 6: Final answer
    x = 50,721.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.