Home / 67,028.91-100,542.73-17,108.31

Finding the Fourth Proportional to 67,028.91, 100,542.73 and 17,108.31

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Solution

The fourth proportional to 67,028.91, 100,542.73 and 17,108.31 is: 25,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,028.91 : 100,542.73 = 17,108.31 : x
  2. Step 2: Convert to fraction form
    67,028.91/100,542.73 = 17,108.31/x
  3. Step 3: Cross multiply
    67,028.91x = 100,542.73 × 17,108.31
  4. Step 4: Simplify right side
    67,028.91x = 1,720,116,193.09
  5. Step 5: Solve for x
    x = 1,720,116,193.09/67,028.91
  6. Step 6: Final answer
    x = 25,662.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.