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Finding the Fourth Proportional to 63,145.62, 94,668.12 and 36,461.34

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Solution

The fourth proportional to 63,145.62, 94,668.12 and 36,461.34 is: 54,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,145.62 : 94,668.12 = 36,461.34 : x
  2. Step 2: Convert to fraction form
    63,145.62/94,668.12 = 36,461.34/x
  3. Step 3: Cross multiply
    63,145.62x = 94,668.12 × 36,461.34
  4. Step 4: Simplify right side
    63,145.62x = 3,451,726,510.48
  5. Step 5: Solve for x
    x = 3,451,726,510.48/63,145.62
  6. Step 6: Final answer
    x = 54,662.96

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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.