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Finding the Fourth Proportional to 95,063.88, 142,591.49 and 31,879.14

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Solution

The fourth proportional to 95,063.88, 142,591.49 and 31,879.14 is: 47,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,063.88 : 142,591.49 = 31,879.14 : x
  2. Step 2: Convert to fraction form
    95,063.88/142,591.49 = 31,879.14/x
  3. Step 3: Cross multiply
    95,063.88x = 142,591.49 × 31,879.14
  4. Step 4: Simplify right side
    95,063.88x = 4,545,694,152.22
  5. Step 5: Solve for x
    x = 4,545,694,152.22/95,063.88
  6. Step 6: Final answer
    x = 47,817.26

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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.