Home / 113,147.62-169,743.30-43,021.48

Finding the Fourth Proportional to 113,147.62, 169,743.30 and 43,021.48

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Solution

The fourth proportional to 113,147.62, 169,743.30 and 43,021.48 is: 64,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,147.62 : 169,743.30 = 43,021.48 : x
  2. Step 2: Convert to fraction form
    113,147.62/169,743.30 = 43,021.48/x
  3. Step 3: Cross multiply
    113,147.62x = 169,743.30 × 43,021.48
  4. Step 4: Simplify right side
    113,147.62x = 7,302,607,986.08
  5. Step 5: Solve for x
    x = 7,302,607,986.08/113,147.62
  6. Step 6: Final answer
    x = 64,540.54

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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.