Home / 67,087.45-100,632.03-29,127.97

Finding the Fourth Proportional to 67,087.45, 100,632.03 and 29,127.97

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Solution

The fourth proportional to 67,087.45, 100,632.03 and 29,127.97 is: 43,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,087.45 : 100,632.03 = 29,127.97 : x
  2. Step 2: Convert to fraction form
    67,087.45/100,632.03 = 29,127.97/x
  3. Step 3: Cross multiply
    67,087.45x = 100,632.03 × 29,127.97
  4. Step 4: Simplify right side
    67,087.45x = 2,931,206,750.88
  5. Step 5: Solve for x
    x = 2,931,206,750.88/67,087.45
  6. Step 6: Final answer
    x = 43,692.33

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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.