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Finding the Fourth Proportional to 88,997, 133,391.82 and 49,535.24

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Solution

The fourth proportional to 88,997, 133,391.82 and 49,535.24 is: 74,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,997 : 133,391.82 = 49,535.24 : x
  2. Step 2: Convert to fraction form
    88,997/133,391.82 = 49,535.24/x
  3. Step 3: Cross multiply
    88,997x = 133,391.82 × 49,535.24
  4. Step 4: Simplify right side
    88,997x = 6,607,595,817.74
  5. Step 5: Solve for x
    x = 6,607,595,817.74/88,997
  6. Step 6: Final answer
    x = 74,245.15

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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.