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Finding the Fourth Proportional to 89,759.66, 134,642.91 and 33,593.86

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Solution

The fourth proportional to 89,759.66, 134,642.91 and 33,593.86 is: 50,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,759.66 : 134,642.91 = 33,593.86 : x
  2. Step 2: Convert to fraction form
    89,759.66/134,642.91 = 33,593.86/x
  3. Step 3: Cross multiply
    89,759.66x = 134,642.91 × 33,593.86
  4. Step 4: Simplify right side
    89,759.66x = 4,523,174,731.93
  5. Step 5: Solve for x
    x = 4,523,174,731.93/89,759.66
  6. Step 6: Final answer
    x = 50,392.06

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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.