Home / 114,770.22-172,183.08-39,879.50

Finding the Fourth Proportional to 114,770.22, 172,183.08 and 39,879.50

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Solution

The fourth proportional to 114,770.22, 172,183.08 and 39,879.50 is: 59,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,770.22 : 172,183.08 = 39,879.50 : x
  2. Step 2: Convert to fraction form
    114,770.22/172,183.08 = 39,879.50/x
  3. Step 3: Cross multiply
    114,770.22x = 172,183.08 × 39,879.50
  4. Step 4: Simplify right side
    114,770.22x = 6,866,575,138.86
  5. Step 5: Solve for x
    x = 6,866,575,138.86/114,770.22
  6. Step 6: Final answer
    x = 59,828.89

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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.