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Finding the Fourth Proportional to 88,667.52, 133,061.52 and 36,086.57

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Solution

The fourth proportional to 88,667.52, 133,061.52 and 36,086.57 is: 54,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,667.52 : 133,061.52 = 36,086.57 : x
  2. Step 2: Convert to fraction form
    88,667.52/133,061.52 = 36,086.57/x
  3. Step 3: Cross multiply
    88,667.52x = 133,061.52 × 36,086.57
  4. Step 4: Simplify right side
    88,667.52x = 4,801,733,855.79
  5. Step 5: Solve for x
    x = 4,801,733,855.79/88,667.52
  6. Step 6: Final answer
    x = 54,154.37

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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.