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Finding the Fourth Proportional to 64,872.96, 97,319.40 and 27,433.08

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Solution

The fourth proportional to 64,872.96, 97,319.40 and 27,433.08 is: 41,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,872.96 : 97,319.40 = 27,433.08 : x
  2. Step 2: Convert to fraction form
    64,872.96/97,319.40 = 27,433.08/x
  3. Step 3: Cross multiply
    64,872.96x = 97,319.40 × 27,433.08
  4. Step 4: Simplify right side
    64,872.96x = 2,669,770,885.75
  5. Step 5: Solve for x
    x = 2,669,770,885.75/64,872.96
  6. Step 6: Final answer
    x = 41,153.83

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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.