Home / 68,949.37-103,430.78-26,832.88

Finding the Fourth Proportional to 68,949.37, 103,430.78 and 26,832.88

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Solution

The fourth proportional to 68,949.37, 103,430.78 and 26,832.88 is: 40,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,949.37 : 103,430.78 = 26,832.88 : x
  2. Step 2: Convert to fraction form
    68,949.37/103,430.78 = 26,832.88/x
  3. Step 3: Cross multiply
    68,949.37x = 103,430.78 × 26,832.88
  4. Step 4: Simplify right side
    68,949.37x = 2,775,345,228.69
  5. Step 5: Solve for x
    x = 2,775,345,228.69/68,949.37
  6. Step 6: Final answer
    x = 40,251.93

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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.