Home / 87,890.42-131,855.21-48,427.22

Finding the Fourth Proportional to 87,890.42, 131,855.21 and 48,427.22

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Solution

The fourth proportional to 87,890.42, 131,855.21 and 48,427.22 is: 72,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,890.42 : 131,855.21 = 48,427.22 : x
  2. Step 2: Convert to fraction form
    87,890.42/131,855.21 = 48,427.22/x
  3. Step 3: Cross multiply
    87,890.42x = 131,855.21 × 48,427.22
  4. Step 4: Simplify right side
    87,890.42x = 6,385,380,361.40
  5. Step 5: Solve for x
    x = 6,385,380,361.40/87,890.42
  6. Step 6: Final answer
    x = 72,651.61

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1.5x scale

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.