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Finding the Fourth Proportional to 63,681.80, 95,522.70 and 34,157.30

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Solution

The fourth proportional to 63,681.80, 95,522.70 and 34,157.30 is: 51,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,681.80 : 95,522.70 = 34,157.30 : x
  2. Step 2: Convert to fraction form
    63,681.80/95,522.70 = 34,157.30/x
  3. Step 3: Cross multiply
    63,681.80x = 95,522.70 × 34,157.30
  4. Step 4: Simplify right side
    63,681.80x = 3,262,797,520.71
  5. Step 5: Solve for x
    x = 3,262,797,520.71/63,681.80
  6. Step 6: Final answer
    x = 51,235.95

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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.