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Finding the Fourth Proportional to 63,861.62, 95,931.84 and 54,893.50

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Solution

The fourth proportional to 63,861.62, 95,931.84 and 54,893.50 is: 82,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,861.62 : 95,931.84 = 54,893.50 : x
  2. Step 2: Convert to fraction form
    63,861.62/95,931.84 = 54,893.50/x
  3. Step 3: Cross multiply
    63,861.62x = 95,931.84 × 54,893.50
  4. Step 4: Simplify right side
    63,861.62x = 5,266,034,425.06
  5. Step 5: Solve for x
    x = 5,266,034,425.06/63,861.62
  6. Step 6: Final answer
    x = 82,460.09

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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.