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Finding the Fourth Proportional to 88,513.80, 122,147.51 and 48,227.89

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Solution

The fourth proportional to 88,513.80, 122,147.51 and 48,227.89 is: 66,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,513.80 : 122,147.51 = 48,227.89 : x
  2. Step 2: Convert to fraction form
    88,513.80/122,147.51 = 48,227.89/x
  3. Step 3: Cross multiply
    88,513.80x = 122,147.51 × 48,227.89
  4. Step 4: Simplify right side
    88,513.80x = 5,890,916,676.05
  5. Step 5: Solve for x
    x = 5,890,916,676.05/88,513.80
  6. Step 6: Final answer
    x = 66,553.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.