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Finding the Fourth Proportional to 88,658.54, 122,344.48 and 48,369.90

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Solution

The fourth proportional to 88,658.54, 122,344.48 and 48,369.90 is: 66,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,658.54 : 122,344.48 = 48,369.90 : x
  2. Step 2: Convert to fraction form
    88,658.54/122,344.48 = 48,369.90/x
  3. Step 3: Cross multiply
    88,658.54x = 122,344.48 × 48,369.90
  4. Step 4: Simplify right side
    88,658.54x = 5,917,790,263.15
  5. Step 5: Solve for x
    x = 5,917,790,263.15/88,658.54
  6. Step 6: Final answer
    x = 66,748.11

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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.