Home / 104,640.05-156,872.50-48,520.22

Finding the Fourth Proportional to 104,640.05, 156,872.50 and 48,520.22

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Solution

The fourth proportional to 104,640.05, 156,872.50 and 48,520.22 is: 72,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,640.05 : 156,872.50 = 48,520.22 : x
  2. Step 2: Convert to fraction form
    104,640.05/156,872.50 = 48,520.22/x
  3. Step 3: Cross multiply
    104,640.05x = 156,872.50 × 48,520.22
  4. Step 4: Simplify right side
    104,640.05x = 7,611,487,306.29
  5. Step 5: Solve for x
    x = 7,611,487,306.29/104,640.05
  6. Step 6: Final answer
    x = 72,739.71

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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.