Home / 67,125.54-100,692.75-19,744.87

Finding the Fourth Proportional to 67,125.54, 100,692.75 and 19,744.87

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Solution

The fourth proportional to 67,125.54, 100,692.75 and 19,744.87 is: 29,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,125.54 : 100,692.75 = 19,744.87 : x
  2. Step 2: Convert to fraction form
    67,125.54/100,692.75 = 19,744.87/x
  3. Step 3: Cross multiply
    67,125.54x = 100,692.75 × 19,744.87
  4. Step 4: Simplify right side
    67,125.54x = 1,988,165,258.69
  5. Step 5: Solve for x
    x = 1,988,165,258.69/67,125.54
  6. Step 6: Final answer
    x = 29,618.61

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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.