Home / 87,961.92-131,964.72-34,657.44

Finding the Fourth Proportional to 87,961.92, 131,964.72 and 34,657.44

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Solution

The fourth proportional to 87,961.92, 131,964.72 and 34,657.44 is: 51,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,961.92 : 131,964.72 = 34,657.44 : x
  2. Step 2: Convert to fraction form
    87,961.92/131,964.72 = 34,657.44/x
  3. Step 3: Cross multiply
    87,961.92x = 131,964.72 × 34,657.44
  4. Step 4: Simplify right side
    87,961.92x = 4,573,559,365.52
  5. Step 5: Solve for x
    x = 4,573,559,365.52/87,961.92
  6. Step 6: Final answer
    x = 51,994.77

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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.