Home / 68,988.62-95,205.14-38,772.17

Finding the Fourth Proportional to 68,988.62, 95,205.14 and 38,772.17

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Solution

The fourth proportional to 68,988.62, 95,205.14 and 38,772.17 is: 53,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,988.62 : 95,205.14 = 38,772.17 : x
  2. Step 2: Convert to fraction form
    68,988.62/95,205.14 = 38,772.17/x
  3. Step 3: Cross multiply
    68,988.62x = 95,205.14 × 38,772.17
  4. Step 4: Simplify right side
    68,988.62x = 3,691,309,203.07
  5. Step 5: Solve for x
    x = 3,691,309,203.07/68,988.62
  6. Step 6: Final answer
    x = 53,506.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.