Home / 67,226.39-100,829.81-19,839.17

Finding the Fourth Proportional to 67,226.39, 100,829.81 and 19,839.17

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Solution

The fourth proportional to 67,226.39, 100,829.81 and 19,839.17 is: 29,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,226.39 : 100,829.81 = 19,839.17 : x
  2. Step 2: Convert to fraction form
    67,226.39/100,829.81 = 19,839.17/x
  3. Step 3: Cross multiply
    67,226.39x = 100,829.81 × 19,839.17
  4. Step 4: Simplify right side
    67,226.39x = 2,000,379,237.51
  5. Step 5: Solve for x
    x = 2,000,379,237.51/67,226.39
  6. Step 6: Final answer
    x = 29,755.87

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1.5x scale

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.