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Finding the Fourth Proportional to 88,578.50, 132,889.62 and 26,249

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Solution

The fourth proportional to 88,578.50, 132,889.62 and 26,249 is: 39,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578.50 : 132,889.62 = 26,249 : x
  2. Step 2: Convert to fraction form
    88,578.50/132,889.62 = 26,249/x
  3. Step 3: Cross multiply
    88,578.50x = 132,889.62 × 26,249
  4. Step 4: Simplify right side
    88,578.50x = 3,488,219,635.38
  5. Step 5: Solve for x
    x = 3,488,219,635.38/88,578.50
  6. Step 6: Final answer
    x = 39,379.98

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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.