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Finding the Fourth Proportional to 67,563.21, 101,346.88 and 23,189.32

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Solution

The fourth proportional to 67,563.21, 101,346.88 and 23,189.32 is: 34,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,563.21 : 101,346.88 = 23,189.32 : x
  2. Step 2: Convert to fraction form
    67,563.21/101,346.88 = 23,189.32/x
  3. Step 3: Cross multiply
    67,563.21x = 101,346.88 × 23,189.32
  4. Step 4: Simplify right side
    67,563.21x = 2,350,165,231.32
  5. Step 5: Solve for x
    x = 2,350,165,231.32/67,563.21
  6. Step 6: Final answer
    x = 34,784.69

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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.