Home / 80,134.28-110,584.76-47,883.64

Finding the Fourth Proportional to 80,134.28, 110,584.76 and 47,883.64

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Solution

The fourth proportional to 80,134.28, 110,584.76 and 47,883.64 is: 66,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,134.28 : 110,584.76 = 47,883.64 : x
  2. Step 2: Convert to fraction form
    80,134.28/110,584.76 = 47,883.64/x
  3. Step 3: Cross multiply
    80,134.28x = 110,584.76 × 47,883.64
  4. Step 4: Simplify right side
    80,134.28x = 5,295,200,837.33
  5. Step 5: Solve for x
    x = 5,295,200,837.33/80,134.28
  6. Step 6: Final answer
    x = 66,079.10

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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.