Home / 53,105.20-79,668.68-44,400.96

Finding the Fourth Proportional to 53,105.20, 79,668.68 and 44,400.96

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Solution

The fourth proportional to 53,105.20, 79,668.68 and 44,400.96 is: 66,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,105.20 : 79,668.68 = 44,400.96 : x
  2. Step 2: Convert to fraction form
    53,105.20/79,668.68 = 44,400.96/x
  3. Step 3: Cross multiply
    53,105.20x = 79,668.68 × 44,400.96
  4. Step 4: Simplify right side
    53,105.20x = 3,537,365,873.93
  5. Step 5: Solve for x
    x = 3,537,365,873.93/53,105.20
  6. Step 6: Final answer
    x = 66,610.54

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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.