Home / 83,921.66-115,808.45-48,086.74

Finding the Fourth Proportional to 83,921.66, 115,808.45 and 48,086.74

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Solution

The fourth proportional to 83,921.66, 115,808.45 and 48,086.74 is: 66,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,921.66 : 115,808.45 = 48,086.74 : x
  2. Step 2: Convert to fraction form
    83,921.66/115,808.45 = 48,086.74/x
  3. Step 3: Cross multiply
    83,921.66x = 115,808.45 × 48,086.74
  4. Step 4: Simplify right side
    83,921.66x = 5,568,850,824.95
  5. Step 5: Solve for x
    x = 5,568,850,824.95/83,921.66
  6. Step 6: Final answer
    x = 66,357.73

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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.