Home / 68,098.64-93,974.40-39,414.33

Finding the Fourth Proportional to 68,098.64, 93,974.40 and 39,414.33

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Solution

The fourth proportional to 68,098.64, 93,974.40 and 39,414.33 is: 54,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,098.64 : 93,974.40 = 39,414.33 : x
  2. Step 2: Convert to fraction form
    68,098.64/93,974.40 = 39,414.33/x
  3. Step 3: Cross multiply
    68,098.64x = 93,974.40 × 39,414.33
  4. Step 4: Simplify right side
    68,098.64x = 3,703,938,013.15
  5. Step 5: Solve for x
    x = 3,703,938,013.15/68,098.64
  6. Step 6: Final answer
    x = 54,390.78

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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.