Home / 80,878.07-111,610.22-45,067.31

Finding the Fourth Proportional to 80,878.07, 111,610.22 and 45,067.31

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Solution

The fourth proportional to 80,878.07, 111,610.22 and 45,067.31 is: 62,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,878.07 : 111,610.22 = 45,067.31 : x
  2. Step 2: Convert to fraction form
    80,878.07/111,610.22 = 45,067.31/x
  3. Step 3: Cross multiply
    80,878.07x = 111,610.22 × 45,067.31
  4. Step 4: Simplify right side
    80,878.07x = 5,029,971,600.52
  5. Step 5: Solve for x
    x = 5,029,971,600.52/80,878.07
  6. Step 6: Final answer
    x = 62,192.04

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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.