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Finding the Fourth Proportional to 88,518.96, 132,778.44 and 33,102

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Solution

The fourth proportional to 88,518.96, 132,778.44 and 33,102 is: 49,653

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,518.96 : 132,778.44 = 33,102 : x
  2. Step 2: Convert to fraction form
    88,518.96/132,778.44 = 33,102/x
  3. Step 3: Cross multiply
    88,518.96x = 132,778.44 × 33,102
  4. Step 4: Simplify right side
    88,518.96x = 4,395,231,920.88
  5. Step 5: Solve for x
    x = 4,395,231,920.88/88,518.96
  6. Step 6: Final answer
    x = 49,653

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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.