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Finding the Fourth Proportional to 89,163.59, 133,762.90 and 33,004.17

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Solution

The fourth proportional to 89,163.59, 133,762.90 and 33,004.17 is: 49,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,163.59 : 133,762.90 = 33,004.17 : x
  2. Step 2: Convert to fraction form
    89,163.59/133,762.90 = 33,004.17/x
  3. Step 3: Cross multiply
    89,163.59x = 133,762.90 × 33,004.17
  4. Step 4: Simplify right side
    89,163.59x = 4,414,732,835.51
  5. Step 5: Solve for x
    x = 4,414,732,835.51/89,163.59
  6. Step 6: Final answer
    x = 49,512.73

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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.