Home / 90,667.62-135,906.26-34,472.66

Finding the Fourth Proportional to 90,667.62, 135,906.26 and 34,472.66

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Solution

The fourth proportional to 90,667.62, 135,906.26 and 34,472.66 is: 51,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,667.62 : 135,906.26 = 34,472.66 : x
  2. Step 2: Convert to fraction form
    90,667.62/135,906.26 = 34,472.66/x
  3. Step 3: Cross multiply
    90,667.62x = 135,906.26 × 34,472.66
  4. Step 4: Simplify right side
    90,667.62x = 4,685,049,440.96
  5. Step 5: Solve for x
    x = 4,685,049,440.96/90,667.62
  6. Step 6: Final answer
    x = 51,672.80

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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.