Home / 83,651.20-115,387.93-49,637.27

Finding the Fourth Proportional to 83,651.20, 115,387.93 and 49,637.27

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Solution

The fourth proportional to 83,651.20, 115,387.93 and 49,637.27 is: 68,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,651.20 : 115,387.93 = 49,637.27 : x
  2. Step 2: Convert to fraction form
    83,651.20/115,387.93 = 49,637.27/x
  3. Step 3: Cross multiply
    83,651.20x = 115,387.93 × 49,637.27
  4. Step 4: Simplify right side
    83,651.20x = 5,727,541,836.15
  5. Step 5: Solve for x
    x = 5,727,541,836.15/83,651.20
  6. Step 6: Final answer
    x = 68,469.33

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1.5x scale

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.