Home / 67,192.80-100,754.34-19,801.76

Finding the Fourth Proportional to 67,192.80, 100,754.34 and 19,801.76

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Solution

The fourth proportional to 67,192.80, 100,754.34 and 19,801.76 is: 29,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,192.80 : 100,754.34 = 19,801.76 : x
  2. Step 2: Convert to fraction form
    67,192.80/100,754.34 = 19,801.76/x
  3. Step 3: Cross multiply
    67,192.80x = 100,754.34 × 19,801.76
  4. Step 4: Simplify right side
    67,192.80x = 1,995,113,259.64
  5. Step 5: Solve for x
    x = 1,995,113,259.64/67,192.80
  6. Step 6: Final answer
    x = 29,692.37

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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.