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Finding the Fourth Proportional to 79,992, 110,388.96 and 44,664

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Solution

The fourth proportional to 79,992, 110,388.96 and 44,664 is: 61,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,992 : 110,388.96 = 44,664 : x
  2. Step 2: Convert to fraction form
    79,992/110,388.96 = 44,664/x
  3. Step 3: Cross multiply
    79,992x = 110,388.96 × 44,664
  4. Step 4: Simplify right side
    79,992x = 4,930,412,509.44
  5. Step 5: Solve for x
    x = 4,930,412,509.44/79,992
  6. Step 6: Final answer
    x = 61,636.32

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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.