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Finding the Fourth Proportional to 89,656.28, 134,494.16 and 33,523.28

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Solution

The fourth proportional to 89,656.28, 134,494.16 and 33,523.28 is: 50,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,656.28 : 134,494.16 = 33,523.28 : x
  2. Step 2: Convert to fraction form
    89,656.28/134,494.16 = 33,523.28/x
  3. Step 3: Cross multiply
    89,656.28x = 134,494.16 × 33,523.28
  4. Step 4: Simplify right side
    89,656.28x = 4,508,684,543.96
  5. Step 5: Solve for x
    x = 4,508,684,543.96/89,656.28
  6. Step 6: Final answer
    x = 50,288.56

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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.