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Finding the Fourth Proportional to 89,126.88, 133,687.80 and 29,965.92

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Solution

The fourth proportional to 89,126.88, 133,687.80 and 29,965.92 is: 44,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,126.88 : 133,687.80 = 29,965.92 : x
  2. Step 2: Convert to fraction form
    89,126.88/133,687.80 = 29,965.92/x
  3. Step 3: Cross multiply
    89,126.88x = 133,687.80 × 29,965.92
  4. Step 4: Simplify right side
    89,126.88x = 4,006,077,919.78
  5. Step 5: Solve for x
    x = 4,006,077,919.78/89,126.88
  6. Step 6: Final answer
    x = 44,948.03

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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.