Home / 87,563.73-131,285.60-31,402.64

Finding the Fourth Proportional to 87,563.73, 131,285.60 and 31,402.64

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Solution

The fourth proportional to 87,563.73, 131,285.60 and 31,402.64 is: 47,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,563.73 : 131,285.60 = 31,402.64 : x
  2. Step 2: Convert to fraction form
    87,563.73/131,285.60 = 31,402.64/x
  3. Step 3: Cross multiply
    87,563.73x = 131,285.60 × 31,402.64
  4. Step 4: Simplify right side
    87,563.73x = 4,122,714,433.98
  5. Step 5: Solve for x
    x = 4,122,714,433.98/87,563.73
  6. Step 6: Final answer
    x = 47,082.44

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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.