Home / 45,894.45-68,843.37-12,617.12

Finding the Fourth Proportional to 45,894.45, 68,843.37 and 12,617.12

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Solution

The fourth proportional to 45,894.45, 68,843.37 and 12,617.12 is: 18,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,894.45 : 68,843.37 = 12,617.12 : x
  2. Step 2: Convert to fraction form
    45,894.45/68,843.37 = 12,617.12/x
  3. Step 3: Cross multiply
    45,894.45x = 68,843.37 × 12,617.12
  4. Step 4: Simplify right side
    45,894.45x = 868,604,716.28
  5. Step 5: Solve for x
    x = 868,604,716.28/45,894.45
  6. Step 6: Final answer
    x = 18,926.14

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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.