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Finding the Fourth Proportional to 89,469.46, 134,265.70 and 33,354.46

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Solution

The fourth proportional to 89,469.46, 134,265.70 and 33,354.46 is: 50,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,469.46 : 134,265.70 = 33,354.46 : x
  2. Step 2: Convert to fraction form
    89,469.46/134,265.70 = 33,354.46/x
  3. Step 3: Cross multiply
    89,469.46x = 134,265.70 × 33,354.46
  4. Step 4: Simplify right side
    89,469.46x = 4,478,359,920.02
  5. Step 5: Solve for x
    x = 4,478,359,920.02/89,469.46
  6. Step 6: Final answer
    x = 50,054.62

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1.5x scale

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.