Home / 248,021.79-371,992.82-68,065.17

Finding the Fourth Proportional to 248,021.79, 371,992.82 and 68,065.17

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Solution

The fourth proportional to 248,021.79, 371,992.82 and 68,065.17 is: 102,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,021.79 : 371,992.82 = 68,065.17 : x
  2. Step 2: Convert to fraction form
    248,021.79/371,992.82 = 68,065.17/x
  3. Step 3: Cross multiply
    248,021.79x = 371,992.82 × 68,065.17
  4. Step 4: Simplify right side
    248,021.79x = 25,319,754,532.08
  5. Step 5: Solve for x
    x = 25,319,754,532.08/248,021.79
  6. Step 6: Final answer
    x = 102,086.81

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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.