Home / 68,530.06-102,778.63-23,546.20

Finding the Fourth Proportional to 68,530.06, 102,778.63 and 23,546.20

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Solution

The fourth proportional to 68,530.06, 102,778.63 and 23,546.20 is: 35,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,530.06 : 102,778.63 = 23,546.20 : x
  2. Step 2: Convert to fraction form
    68,530.06/102,778.63 = 23,546.20/x
  3. Step 3: Cross multiply
    68,530.06x = 102,778.63 × 23,546.20
  4. Step 4: Simplify right side
    68,530.06x = 2,420,046,177.71
  5. Step 5: Solve for x
    x = 2,420,046,177.71/68,530.06
  6. Step 6: Final answer
    x = 35,313.64

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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.