Home / 80,998.20-111,775.36-45,187.29

Finding the Fourth Proportional to 80,998.20, 111,775.36 and 45,187.29

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Solution

The fourth proportional to 80,998.20, 111,775.36 and 45,187.29 is: 62,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,998.20 : 111,775.36 = 45,187.29 : x
  2. Step 2: Convert to fraction form
    80,998.20/111,775.36 = 45,187.29/x
  3. Step 3: Cross multiply
    80,998.20x = 111,775.36 × 45,187.29
  4. Step 4: Simplify right side
    80,998.20x = 5,050,825,578.93
  5. Step 5: Solve for x
    x = 5,050,825,578.93/80,998.20
  6. Step 6: Final answer
    x = 62,357.26

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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.