Home / 51,786.43-71,456.96-29,125.35

Finding the Fourth Proportional to 51,786.43, 71,456.96 and 29,125.35

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Solution

The fourth proportional to 51,786.43, 71,456.96 and 29,125.35 is: 40,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786.43 : 71,456.96 = 29,125.35 : x
  2. Step 2: Convert to fraction form
    51,786.43/71,456.96 = 29,125.35/x
  3. Step 3: Cross multiply
    51,786.43x = 71,456.96 × 29,125.35
  4. Step 4: Simplify right side
    51,786.43x = 2,081,208,969.94
  5. Step 5: Solve for x
    x = 2,081,208,969.94/51,786.43
  6. Step 6: Final answer
    x = 40,188.31

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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.