Home / 68,541.14-102,759.59-47,425.05

Finding the Fourth Proportional to 68,541.14, 102,759.59 and 47,425.05

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Solution

The fourth proportional to 68,541.14, 102,759.59 and 47,425.05 is: 71,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,541.14 : 102,759.59 = 47,425.05 : x
  2. Step 2: Convert to fraction form
    68,541.14/102,759.59 = 47,425.05/x
  3. Step 3: Cross multiply
    68,541.14x = 102,759.59 × 47,425.05
  4. Step 4: Simplify right side
    68,541.14x = 4,873,378,456.60
  5. Step 5: Solve for x
    x = 4,873,378,456.60/68,541.14
  6. Step 6: Final answer
    x = 71,101.51

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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.