Home / 67,120.20-100,692.44-27,655.36

Finding the Fourth Proportional to 67,120.20, 100,692.44 and 27,655.36

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Solution

The fourth proportional to 67,120.20, 100,692.44 and 27,655.36 is: 41,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,120.20 : 100,692.44 = 27,655.36 : x
  2. Step 2: Convert to fraction form
    67,120.20/100,692.44 = 27,655.36/x
  3. Step 3: Cross multiply
    67,120.20x = 100,692.44 × 27,655.36
  4. Step 4: Simplify right side
    67,120.20x = 2,784,685,677.48
  5. Step 5: Solve for x
    x = 2,784,685,677.48/67,120.20
  6. Step 6: Final answer
    x = 41,488.04

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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.