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Finding the Fourth Proportional to 68,087.52, 102,122.91 and 23,710.41

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Solution

The fourth proportional to 68,087.52, 102,122.91 and 23,710.41 is: 35,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,087.52 : 102,122.91 = 23,710.41 : x
  2. Step 2: Convert to fraction form
    68,087.52/102,122.91 = 23,710.41/x
  3. Step 3: Cross multiply
    68,087.52x = 102,122.91 × 23,710.41
  4. Step 4: Simplify right side
    68,087.52x = 2,421,376,066.49
  5. Step 5: Solve for x
    x = 2,421,376,066.49/68,087.52
  6. Step 6: Final answer
    x = 35,562.70

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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.