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Finding the Fourth Proportional to 88,932.70, 133,349.82 and 36,379.10

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Solution

The fourth proportional to 88,932.70, 133,349.82 and 36,379.10 is: 54,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,932.70 : 133,349.82 = 36,379.10 : x
  2. Step 2: Convert to fraction form
    88,932.70/133,349.82 = 36,379.10/x
  3. Step 3: Cross multiply
    88,932.70x = 133,349.82 × 36,379.10
  4. Step 4: Simplify right side
    88,932.70x = 4,851,146,436.76
  5. Step 5: Solve for x
    x = 4,851,146,436.76/88,932.70
  6. Step 6: Final answer
    x = 54,548.51

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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.