Home / 68,730.68-94,836.78-41,858.36

Finding the Fourth Proportional to 68,730.68, 94,836.78 and 41,858.36

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Solution

The fourth proportional to 68,730.68, 94,836.78 and 41,858.36 is: 57,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,730.68 : 94,836.78 = 41,858.36 : x
  2. Step 2: Convert to fraction form
    68,730.68/94,836.78 = 41,858.36/x
  3. Step 3: Cross multiply
    68,730.68x = 94,836.78 × 41,858.36
  4. Step 4: Simplify right side
    68,730.68x = 3,969,712,078.48
  5. Step 5: Solve for x
    x = 3,969,712,078.48/68,730.68
  6. Step 6: Final answer
    x = 57,757.50

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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.