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Finding the Fourth Proportional to 88,649.88, 132,935.94 and 33,207

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Solution

The fourth proportional to 88,649.88, 132,935.94 and 33,207 is: 49,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,649.88 : 132,935.94 = 33,207 : x
  2. Step 2: Convert to fraction form
    88,649.88/132,935.94 = 33,207/x
  3. Step 3: Cross multiply
    88,649.88x = 132,935.94 × 33,207
  4. Step 4: Simplify right side
    88,649.88x = 4,414,403,759.58
  5. Step 5: Solve for x
    x = 4,414,403,759.58/88,649.88
  6. Step 6: Final answer
    x = 49,795.94

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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.