Home / 79,226.60-118,759.92-49,665.20

Finding the Fourth Proportional to 79,226.60, 118,759.92 and 49,665.20

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Solution

The fourth proportional to 79,226.60, 118,759.92 and 49,665.20 is: 74,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,226.60 : 118,759.92 = 49,665.20 : x
  2. Step 2: Convert to fraction form
    79,226.60/118,759.92 = 49,665.20/x
  3. Step 3: Cross multiply
    79,226.60x = 118,759.92 × 49,665.20
  4. Step 4: Simplify right side
    79,226.60x = 5,898,234,584.98
  5. Step 5: Solve for x
    x = 5,898,234,584.98/79,226.60
  6. Step 6: Final answer
    x = 74,447.66

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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.