Home / 68,257.15-102,387.24-23,278.45

Finding the Fourth Proportional to 68,257.15, 102,387.24 and 23,278.45

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Solution

The fourth proportional to 68,257.15, 102,387.24 and 23,278.45 is: 34,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,257.15 : 102,387.24 = 23,278.45 : x
  2. Step 2: Convert to fraction form
    68,257.15/102,387.24 = 23,278.45/x
  3. Step 3: Cross multiply
    68,257.15x = 102,387.24 × 23,278.45
  4. Step 4: Simplify right side
    68,257.15x = 2,383,416,246.98
  5. Step 5: Solve for x
    x = 2,383,416,246.98/68,257.15
  6. Step 6: Final answer
    x = 34,918.19

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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.