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Finding the Fourth Proportional to 89,658.92, 134,113.82 and 63,003.03

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Solution

The fourth proportional to 89,658.92, 134,113.82 and 63,003.03 is: 94,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,658.92 : 134,113.82 = 63,003.03 : x
  2. Step 2: Convert to fraction form
    89,658.92/134,113.82 = 63,003.03/x
  3. Step 3: Cross multiply
    89,658.92x = 134,113.82 × 63,003.03
  4. Step 4: Simplify right side
    89,658.92x = 8,449,576,709.86
  5. Step 5: Solve for x
    x = 8,449,576,709.86/89,658.92
  6. Step 6: Final answer
    x = 94,241.34

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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.