Home / 68,823.33-103,147.89-39,257.79

Finding the Fourth Proportional to 68,823.33, 103,147.89 and 39,257.79

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Solution

The fourth proportional to 68,823.33, 103,147.89 and 39,257.79 is: 58,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,823.33 : 103,147.89 = 39,257.79 : x
  2. Step 2: Convert to fraction form
    68,823.33/103,147.89 = 39,257.79/x
  3. Step 3: Cross multiply
    68,823.33x = 103,147.89 × 39,257.79
  4. Step 4: Simplify right side
    68,823.33x = 4,049,358,204.56
  5. Step 5: Solve for x
    x = 4,049,358,204.56/68,823.33
  6. Step 6: Final answer
    x = 58,837.00

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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.