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Finding the Fourth Proportional to 68,002.40, 101,979.30 and 23,630.60

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Solution

The fourth proportional to 68,002.40, 101,979.30 and 23,630.60 is: 35,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,002.40 : 101,979.30 = 23,630.60 : x
  2. Step 2: Convert to fraction form
    68,002.40/101,979.30 = 23,630.60/x
  3. Step 3: Cross multiply
    68,002.40x = 101,979.30 × 23,630.60
  4. Step 4: Simplify right side
    68,002.40x = 2,409,832,046.58
  5. Step 5: Solve for x
    x = 2,409,832,046.58/68,002.40
  6. Step 6: Final answer
    x = 35,437.46

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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.