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Finding the Fourth Proportional to 87,884.08, 131,843.08 and 28,703.84

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Solution

The fourth proportional to 87,884.08, 131,843.08 and 28,703.84 is: 43,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,884.08 : 131,843.08 = 28,703.84 : x
  2. Step 2: Convert to fraction form
    87,884.08/131,843.08 = 28,703.84/x
  3. Step 3: Cross multiply
    87,884.08x = 131,843.08 × 28,703.84
  4. Step 4: Simplify right side
    87,884.08x = 3,784,402,673.43
  5. Step 5: Solve for x
    x = 3,784,402,673.43/87,884.08
  6. Step 6: Final answer
    x = 43,061.30

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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.