Home / 68,145.76-102,181.56-23,760.64

Finding the Fourth Proportional to 68,145.76, 102,181.56 and 23,760.64

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Solution

The fourth proportional to 68,145.76, 102,181.56 and 23,760.64 is: 35,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,145.76 : 102,181.56 = 23,760.64 : x
  2. Step 2: Convert to fraction form
    68,145.76/102,181.56 = 23,760.64/x
  3. Step 3: Cross multiply
    68,145.76x = 102,181.56 × 23,760.64
  4. Step 4: Simplify right side
    68,145.76x = 2,427,899,261.80
  5. Step 5: Solve for x
    x = 2,427,899,261.80/68,145.76
  6. Step 6: Final answer
    x = 35,628.03

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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.