Home / 68,260.08-102,359.04-28,795.68

Finding the Fourth Proportional to 68,260.08, 102,359.04 and 28,795.68

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Solution

The fourth proportional to 68,260.08, 102,359.04 and 28,795.68 is: 43,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,260.08 : 102,359.04 = 28,795.68 : x
  2. Step 2: Convert to fraction form
    68,260.08/102,359.04 = 28,795.68/x
  3. Step 3: Cross multiply
    68,260.08x = 102,359.04 × 28,795.68
  4. Step 4: Simplify right side
    68,260.08x = 2,947,498,160.95
  5. Step 5: Solve for x
    x = 2,947,498,160.95/68,260.08
  6. Step 6: Final answer
    x = 43,180.41

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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.