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Finding the Fourth Proportional to 68,080.76, 102,167.28 and 23,707.28

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Solution

The fourth proportional to 68,080.76, 102,167.28 and 23,707.28 is: 35,576.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,080.76 : 102,167.28 = 23,707.28 : x
  2. Step 2: Convert to fraction form
    68,080.76/102,167.28 = 23,707.28/x
  3. Step 3: Cross multiply
    68,080.76x = 102,167.28 × 23,707.28
  4. Step 4: Simplify right side
    68,080.76x = 2,422,108,313.80
  5. Step 5: Solve for x
    x = 2,422,108,313.80/68,080.76
  6. Step 6: Final answer
    x = 35,576.99

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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.