Home / 80,578.20-111,057.17-59,022.15

Finding the Fourth Proportional to 80,578.20, 111,057.17 and 59,022.15

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Solution

The fourth proportional to 80,578.20, 111,057.17 and 59,022.15 is: 81,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,578.20 : 111,057.17 = 59,022.15 : x
  2. Step 2: Convert to fraction form
    80,578.20/111,057.17 = 59,022.15/x
  3. Step 3: Cross multiply
    80,578.20x = 111,057.17 × 59,022.15
  4. Step 4: Simplify right side
    80,578.20x = 6,554,832,651.20
  5. Step 5: Solve for x
    x = 6,554,832,651.20/80,578.20
  6. Step 6: Final answer
    x = 81,347.47

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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.