Home / 87,834.45-131,731.96-40,403.98

Finding the Fourth Proportional to 87,834.45, 131,731.96 and 40,403.98

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Solution

The fourth proportional to 87,834.45, 131,731.96 and 40,403.98 is: 60,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,834.45 : 131,731.96 = 40,403.98 : x
  2. Step 2: Convert to fraction form
    87,834.45/131,731.96 = 40,403.98/x
  3. Step 3: Cross multiply
    87,834.45x = 131,731.96 × 40,403.98
  4. Step 4: Simplify right side
    87,834.45x = 5,322,495,477.20
  5. Step 5: Solve for x
    x = 5,322,495,477.20/87,834.45
  6. Step 6: Final answer
    x = 60,596.90

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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.