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Finding the Fourth Proportional to 88,345, 132,517.50 and 26,014.60

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Solution

The fourth proportional to 88,345, 132,517.50 and 26,014.60 is: 39,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,345 : 132,517.50 = 26,014.60 : x
  2. Step 2: Convert to fraction form
    88,345/132,517.50 = 26,014.60/x
  3. Step 3: Cross multiply
    88,345x = 132,517.50 × 26,014.60
  4. Step 4: Simplify right side
    88,345x = 3,447,389,755.50
  5. Step 5: Solve for x
    x = 3,447,389,755.50/88,345
  6. Step 6: Final answer
    x = 39,021.90

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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.