Home / 87,735.14-131,611.93-28,575.42

Finding the Fourth Proportional to 87,735.14, 131,611.93 and 28,575.42

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Solution

The fourth proportional to 87,735.14, 131,611.93 and 28,575.42 is: 42,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,735.14 : 131,611.93 = 28,575.42 : x
  2. Step 2: Convert to fraction form
    87,735.14/131,611.93 = 28,575.42/x
  3. Step 3: Cross multiply
    87,735.14x = 131,611.93 × 28,575.42
  4. Step 4: Simplify right side
    87,735.14x = 3,760,866,176.76
  5. Step 5: Solve for x
    x = 3,760,866,176.76/87,735.14
  6. Step 6: Final answer
    x = 42,866.14

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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.