Home / 45,983.25-68,974.88-13,151.25

Finding the Fourth Proportional to 45,983.25, 68,974.88 and 13,151.25

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Solution

The fourth proportional to 45,983.25, 68,974.88 and 13,151.25 is: 19,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,983.25 : 68,974.88 = 13,151.25 : x
  2. Step 2: Convert to fraction form
    45,983.25/68,974.88 = 13,151.25/x
  3. Step 3: Cross multiply
    45,983.25x = 68,974.88 × 13,151.25
  4. Step 4: Simplify right side
    45,983.25x = 907,105,824.84
  5. Step 5: Solve for x
    x = 907,105,824.84/45,983.25
  6. Step 6: Final answer
    x = 19,726.88

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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.