Home / 87,892.63-131,855.33-28,731.53

Finding the Fourth Proportional to 87,892.63, 131,855.33 and 28,731.53

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Solution

The fourth proportional to 87,892.63, 131,855.33 and 28,731.53 is: 43,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,892.63 : 131,855.33 = 28,731.53 : x
  2. Step 2: Convert to fraction form
    87,892.63/131,855.33 = 28,731.53/x
  3. Step 3: Cross multiply
    87,892.63x = 131,855.33 × 28,731.53
  4. Step 4: Simplify right side
    87,892.63x = 3,788,405,771.02
  5. Step 5: Solve for x
    x = 3,788,405,771.02/87,892.63
  6. Step 6: Final answer
    x = 43,102.66

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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.