Home / 68,154.36-102,224.25-23,781.95

Finding the Fourth Proportional to 68,154.36, 102,224.25 and 23,781.95

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Solution

The fourth proportional to 68,154.36, 102,224.25 and 23,781.95 is: 35,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,154.36 : 102,224.25 = 23,781.95 : x
  2. Step 2: Convert to fraction form
    68,154.36/102,224.25 = 23,781.95/x
  3. Step 3: Cross multiply
    68,154.36x = 102,224.25 × 23,781.95
  4. Step 4: Simplify right side
    68,154.36x = 2,431,092,516.41
  5. Step 5: Solve for x
    x = 2,431,092,516.41/68,154.36
  6. Step 6: Final answer
    x = 35,670.39

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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.