Home / 83,979.34-125,986.77-27,816.26

Finding the Fourth Proportional to 83,979.34, 125,986.77 and 27,816.26

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Solution

The fourth proportional to 83,979.34, 125,986.77 and 27,816.26 is: 41,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,979.34 : 125,986.77 = 27,816.26 : x
  2. Step 2: Convert to fraction form
    83,979.34/125,986.77 = 27,816.26/x
  3. Step 3: Cross multiply
    83,979.34x = 125,986.77 × 27,816.26
  4. Step 4: Simplify right side
    83,979.34x = 3,504,481,065.85
  5. Step 5: Solve for x
    x = 3,504,481,065.85/83,979.34
  6. Step 6: Final answer
    x = 41,730.28

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1.5x scale

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.