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Finding the Fourth Proportional to 68,389.26, 102,632.07 and 24,019.47

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Solution

The fourth proportional to 68,389.26, 102,632.07 and 24,019.47 is: 36,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,389.26 : 102,632.07 = 24,019.47 : x
  2. Step 2: Convert to fraction form
    68,389.26/102,632.07 = 24,019.47/x
  3. Step 3: Cross multiply
    68,389.26x = 102,632.07 × 24,019.47
  4. Step 4: Simplify right side
    68,389.26x = 2,465,167,926.40
  5. Step 5: Solve for x
    x = 2,465,167,926.40/68,389.26
  6. Step 6: Final answer
    x = 36,046.13

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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.