Home / 83,426.09-125,112.97-27,253.40

Finding the Fourth Proportional to 83,426.09, 125,112.97 and 27,253.40

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Solution

The fourth proportional to 83,426.09, 125,112.97 and 27,253.40 is: 40,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,426.09 : 125,112.97 = 27,253.40 : x
  2. Step 2: Convert to fraction form
    83,426.09/125,112.97 = 27,253.40/x
  3. Step 3: Cross multiply
    83,426.09x = 125,112.97 × 27,253.40
  4. Step 4: Simplify right side
    83,426.09x = 3,409,753,816.60
  5. Step 5: Solve for x
    x = 3,409,753,816.60/83,426.09
  6. Step 6: Final answer
    x = 40,871.55

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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.