Home / 80,469.27-120,657.13-53,845.70

Finding the Fourth Proportional to 80,469.27, 120,657.13 and 53,845.70

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Solution

The fourth proportional to 80,469.27, 120,657.13 and 53,845.70 is: 80,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,469.27 : 120,657.13 = 53,845.70 : x
  2. Step 2: Convert to fraction form
    80,469.27/120,657.13 = 53,845.70/x
  3. Step 3: Cross multiply
    80,469.27x = 120,657.13 × 53,845.70
  4. Step 4: Simplify right side
    80,469.27x = 6,496,866,886.94
  5. Step 5: Solve for x
    x = 6,496,866,886.94/80,469.27
  6. Step 6: Final answer
    x = 80,737.24

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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.