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Finding the Fourth Proportional to 67,719.62, 101,605.36 and 32,656.34

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Solution

The fourth proportional to 67,719.62, 101,605.36 and 32,656.34 is: 48,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,719.62 : 101,605.36 = 32,656.34 : x
  2. Step 2: Convert to fraction form
    67,719.62/101,605.36 = 32,656.34/x
  3. Step 3: Cross multiply
    67,719.62x = 101,605.36 × 32,656.34
  4. Step 4: Simplify right side
    67,719.62x = 3,318,059,181.98
  5. Step 5: Solve for x
    x = 3,318,059,181.98/67,719.62
  6. Step 6: Final answer
    x = 48,997.01

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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.