Home / 102,714.75-141,664.79-62,427.75

Finding the Fourth Proportional to 102,714.75, 141,664.79 and 62,427.75

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Solution

The fourth proportional to 102,714.75, 141,664.79 and 62,427.75 is: 86,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,714.75 : 141,664.79 = 62,427.75 : x
  2. Step 2: Convert to fraction form
    102,714.75/141,664.79 = 62,427.75/x
  3. Step 3: Cross multiply
    102,714.75x = 141,664.79 × 62,427.75
  4. Step 4: Simplify right side
    102,714.75x = 8,843,813,661.73
  5. Step 5: Solve for x
    x = 8,843,813,661.73/102,714.75
  6. Step 6: Final answer
    x = 86,100.72

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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.