Home / 83,923.56-125,903.88-27,781.20

Finding the Fourth Proportional to 83,923.56, 125,903.88 and 27,781.20

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Solution

The fourth proportional to 83,923.56, 125,903.88 and 27,781.20 is: 41,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,923.56 : 125,903.88 = 27,781.20 : x
  2. Step 2: Convert to fraction form
    83,923.56/125,903.88 = 27,781.20/x
  3. Step 3: Cross multiply
    83,923.56x = 125,903.88 × 27,781.20
  4. Step 4: Simplify right side
    83,923.56x = 3,497,760,871.06
  5. Step 5: Solve for x
    x = 3,497,760,871.06/83,923.56
  6. Step 6: Final answer
    x = 41,677.94

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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.