Home / 83,760.64-115,593.60-47,954.56

Finding the Fourth Proportional to 83,760.64, 115,593.60 and 47,954.56

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Solution

The fourth proportional to 83,760.64, 115,593.60 and 47,954.56 is: 66,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,760.64 : 115,593.60 = 47,954.56 : x
  2. Step 2: Convert to fraction form
    83,760.64/115,593.60 = 47,954.56/x
  3. Step 3: Cross multiply
    83,760.64x = 115,593.60 × 47,954.56
  4. Step 4: Simplify right side
    83,760.64x = 5,543,240,226.82
  5. Step 5: Solve for x
    x = 5,543,240,226.82/83,760.64
  6. Step 6: Final answer
    x = 66,179.54

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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.