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Finding the Fourth Proportional to 63,450, 87,561 and 35,159.94

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Solution

The fourth proportional to 63,450, 87,561 and 35,159.94 is: 48,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,450 : 87,561 = 35,159.94 : x
  2. Step 2: Convert to fraction form
    63,450/87,561 = 35,159.94/x
  3. Step 3: Cross multiply
    63,450x = 87,561 × 35,159.94
  4. Step 4: Simplify right side
    63,450x = 3,078,639,506.34
  5. Step 5: Solve for x
    x = 3,078,639,506.34/63,450
  6. Step 6: Final answer
    x = 48,520.72

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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.