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Finding the Fourth Proportional to 89,832.52, 134,771.87 and 33,673.40

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Solution

The fourth proportional to 89,832.52, 134,771.87 and 33,673.40 is: 50,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,832.52 : 134,771.87 = 33,673.40 : x
  2. Step 2: Convert to fraction form
    89,832.52/134,771.87 = 33,673.40/x
  3. Step 3: Cross multiply
    89,832.52x = 134,771.87 × 33,673.40
  4. Step 4: Simplify right side
    89,832.52x = 4,538,226,245.03
  5. Step 5: Solve for x
    x = 4,538,226,245.03/89,832.52
  6. Step 6: Final answer
    x = 50,518.75

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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.