Home / 45,896.64-68,839.20-18,196.80

Finding the Fourth Proportional to 45,896.64, 68,839.20 and 18,196.80

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Solution

The fourth proportional to 45,896.64, 68,839.20 and 18,196.80 is: 27,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,896.64 : 68,839.20 = 18,196.80 : x
  2. Step 2: Convert to fraction form
    45,896.64/68,839.20 = 18,196.80/x
  3. Step 3: Cross multiply
    45,896.64x = 68,839.20 × 18,196.80
  4. Step 4: Simplify right side
    45,896.64x = 1,252,653,154.56
  5. Step 5: Solve for x
    x = 1,252,653,154.56/45,896.64
  6. Step 6: Final answer
    x = 27,292.92

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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.