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Finding the Fourth Proportional to 45,763.62, 68,668.92 and 34,666.62

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Solution

The fourth proportional to 45,763.62, 68,668.92 and 34,666.62 is: 52,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,763.62 : 68,668.92 = 34,666.62 : x
  2. Step 2: Convert to fraction form
    45,763.62/68,668.92 = 34,666.62/x
  3. Step 3: Cross multiply
    45,763.62x = 68,668.92 × 34,666.62
  4. Step 4: Simplify right side
    45,763.62x = 2,380,519,355.45
  5. Step 5: Solve for x
    x = 2,380,519,355.45/45,763.62
  6. Step 6: Final answer
    x = 52,017.72

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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.