Home / 49,721.77-68,581.11-32,720.59

Finding the Fourth Proportional to 49,721.77, 68,581.11 and 32,720.59

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Solution

The fourth proportional to 49,721.77, 68,581.11 and 32,720.59 is: 45,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.77 : 68,581.11 = 32,720.59 : x
  2. Step 2: Convert to fraction form
    49,721.77/68,581.11 = 32,720.59/x
  3. Step 3: Cross multiply
    49,721.77x = 68,581.11 × 32,720.59
  4. Step 4: Simplify right side
    49,721.77x = 2,244,014,382.05
  5. Step 5: Solve for x
    x = 2,244,014,382.05/49,721.77
  6. Step 6: Final answer
    x = 45,131.43

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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.