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Finding the Fourth Proportional to 63,269.64, 87,311.88 and 34,975.17

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Solution

The fourth proportional to 63,269.64, 87,311.88 and 34,975.17 is: 48,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,269.64 : 87,311.88 = 34,975.17 : x
  2. Step 2: Convert to fraction form
    63,269.64/87,311.88 = 34,975.17/x
  3. Step 3: Cross multiply
    63,269.64x = 87,311.88 × 34,975.17
  4. Step 4: Simplify right side
    63,269.64x = 3,053,747,846.02
  5. Step 5: Solve for x
    x = 3,053,747,846.02/63,269.64
  6. Step 6: Final answer
    x = 48,265.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.