Home / 80,786.64-111,489.12-44,975.28

Finding the Fourth Proportional to 80,786.64, 111,489.12 and 44,975.28

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Solution

The fourth proportional to 80,786.64, 111,489.12 and 44,975.28 is: 62,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,786.64 : 111,489.12 = 44,975.28 : x
  2. Step 2: Convert to fraction form
    80,786.64/111,489.12 = 44,975.28/x
  3. Step 3: Cross multiply
    80,786.64x = 111,489.12 × 44,975.28
  4. Step 4: Simplify right side
    80,786.64x = 5,014,254,388.95
  5. Step 5: Solve for x
    x = 5,014,254,388.95/80,786.64
  6. Step 6: Final answer
    x = 62,067.87

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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.