Home / 53,986.10-80,979.16-27,674.06

Finding the Fourth Proportional to 53,986.10, 80,979.16 and 27,674.06

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Solution

The fourth proportional to 53,986.10, 80,979.16 and 27,674.06 is: 41,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.10 : 80,979.16 = 27,674.06 : x
  2. Step 2: Convert to fraction form
    53,986.10/80,979.16 = 27,674.06/x
  3. Step 3: Cross multiply
    53,986.10x = 80,979.16 × 27,674.06
  4. Step 4: Simplify right side
    53,986.10x = 2,241,022,132.59
  5. Step 5: Solve for x
    x = 2,241,022,132.59/53,986.10
  6. Step 6: Final answer
    x = 41,511.10

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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.