Home / 67,028.31-100,542.77-22,655.30

Finding the Fourth Proportional to 67,028.31, 100,542.77 and 22,655.30

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Solution

The fourth proportional to 67,028.31, 100,542.77 and 22,655.30 is: 33,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,028.31 : 100,542.77 = 22,655.30 : x
  2. Step 2: Convert to fraction form
    67,028.31/100,542.77 = 22,655.30/x
  3. Step 3: Cross multiply
    67,028.31x = 100,542.77 × 22,655.30
  4. Step 4: Simplify right side
    67,028.31x = 2,277,826,086.15
  5. Step 5: Solve for x
    x = 2,277,826,086.15/67,028.31
  6. Step 6: Final answer
    x = 33,983.05

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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.