Home / 53,986.06-74,504.10-29,786.91

Finding the Fourth Proportional to 53,986.06, 74,504.10 and 29,786.91

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Solution

The fourth proportional to 53,986.06, 74,504.10 and 29,786.91 is: 41,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.06 : 74,504.10 = 29,786.91 : x
  2. Step 2: Convert to fraction form
    53,986.06/74,504.10 = 29,786.91/x
  3. Step 3: Cross multiply
    53,986.06x = 74,504.10 × 29,786.91
  4. Step 4: Simplify right side
    53,986.06x = 2,219,246,921.33
  5. Step 5: Solve for x
    x = 2,219,246,921.33/53,986.06
  6. Step 6: Final answer
    x = 41,107.78

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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.