Home / 84,231.48-116,189.10-50,691

Finding the Fourth Proportional to 84,231.48, 116,189.10 and 50,691

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Solution

The fourth proportional to 84,231.48, 116,189.10 and 50,691 is: 69,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,231.48 : 116,189.10 = 50,691 : x
  2. Step 2: Convert to fraction form
    84,231.48/116,189.10 = 50,691/x
  3. Step 3: Cross multiply
    84,231.48x = 116,189.10 × 50,691
  4. Step 4: Simplify right side
    84,231.48x = 5,889,741,668.10
  5. Step 5: Solve for x
    x = 5,889,741,668.10/84,231.48
  6. Step 6: Final answer
    x = 69,923.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.