Home / 85,414.91-117,873.77-47,177.10

Finding the Fourth Proportional to 85,414.91, 117,873.77 and 47,177.10

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Solution

The fourth proportional to 85,414.91, 117,873.77 and 47,177.10 is: 65,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,414.91 : 117,873.77 = 47,177.10 : x
  2. Step 2: Convert to fraction form
    85,414.91/117,873.77 = 47,177.10/x
  3. Step 3: Cross multiply
    85,414.91x = 117,873.77 × 47,177.10
  4. Step 4: Simplify right side
    85,414.91x = 5,560,942,398.78
  5. Step 5: Solve for x
    x = 5,560,942,398.78/85,414.91
  6. Step 6: Final answer
    x = 65,105.06

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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.