Home / 68,531.36-102,807.92-24,171.68

Finding the Fourth Proportional to 68,531.36, 102,807.92 and 24,171.68

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Solution

The fourth proportional to 68,531.36, 102,807.92 and 24,171.68 is: 36,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,531.36 : 102,807.92 = 24,171.68 : x
  2. Step 2: Convert to fraction form
    68,531.36/102,807.92 = 24,171.68/x
  3. Step 3: Cross multiply
    68,531.36x = 102,807.92 × 24,171.68
  4. Step 4: Simplify right side
    68,531.36x = 2,485,040,143.71
  5. Step 5: Solve for x
    x = 2,485,040,143.71/68,531.36
  6. Step 6: Final answer
    x = 36,261.36

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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.