Home / 83,546.56-115,286.34-47,736.28

Finding the Fourth Proportional to 83,546.56, 115,286.34 and 47,736.28

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Solution

The fourth proportional to 83,546.56, 115,286.34 and 47,736.28 is: 65,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,546.56 : 115,286.34 = 47,736.28 : x
  2. Step 2: Convert to fraction form
    83,546.56/115,286.34 = 47,736.28/x
  3. Step 3: Cross multiply
    83,546.56x = 115,286.34 × 47,736.28
  4. Step 4: Simplify right side
    83,546.56x = 5,503,341,006.42
  5. Step 5: Solve for x
    x = 5,503,341,006.42/83,546.56
  6. Step 6: Final answer
    x = 65,871.55

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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.