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Finding the Fourth Proportional to 73,783.31, 110,696.22 and 36,354.62

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Solution

The fourth proportional to 73,783.31, 110,696.22 and 36,354.62 is: 54,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,783.31 : 110,696.22 = 36,354.62 : x
  2. Step 2: Convert to fraction form
    73,783.31/110,696.22 = 36,354.62/x
  3. Step 3: Cross multiply
    73,783.31x = 110,696.22 × 36,354.62
  4. Step 4: Simplify right side
    73,783.31x = 4,024,319,290.28
  5. Step 5: Solve for x
    x = 4,024,319,290.28/73,783.31
  6. Step 6: Final answer
    x = 54,542.41

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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.