Home / 43,313.31-64,969.97-10,481.31

Finding the Fourth Proportional to 43,313.31, 64,969.97 and 10,481.31

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Solution

The fourth proportional to 43,313.31, 64,969.97 and 10,481.31 is: 15,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,313.31 : 64,969.97 = 10,481.31 : x
  2. Step 2: Convert to fraction form
    43,313.31/64,969.97 = 10,481.31/x
  3. Step 3: Cross multiply
    43,313.31x = 64,969.97 × 10,481.31
  4. Step 4: Simplify right side
    43,313.31x = 680,970,396.26
  5. Step 5: Solve for x
    x = 680,970,396.26/43,313.31
  6. Step 6: Final answer
    x = 15,721.97

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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.