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Finding the Fourth Proportional to 88,902.81, 133,367.48 and 32,738.60

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Solution

The fourth proportional to 88,902.81, 133,367.48 and 32,738.60 is: 49,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,902.81 : 133,367.48 = 32,738.60 : x
  2. Step 2: Convert to fraction form
    88,902.81/133,367.48 = 32,738.60/x
  3. Step 3: Cross multiply
    88,902.81x = 133,367.48 × 32,738.60
  4. Step 4: Simplify right side
    88,902.81x = 4,366,263,750.20
  5. Step 5: Solve for x
    x = 4,366,263,750.20/88,902.81
  6. Step 6: Final answer
    x = 49,112.78

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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.