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Finding the Fourth Proportional to 79,857.85, 110,198.83 and 44,047.77

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Solution

The fourth proportional to 79,857.85, 110,198.83 and 44,047.77 is: 60,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,857.85 : 110,198.83 = 44,047.77 : x
  2. Step 2: Convert to fraction form
    79,857.85/110,198.83 = 44,047.77/x
  3. Step 3: Cross multiply
    79,857.85x = 110,198.83 × 44,047.77
  4. Step 4: Simplify right side
    79,857.85x = 4,854,013,207.14
  5. Step 5: Solve for x
    x = 4,854,013,207.14/79,857.85
  6. Step 6: Final answer
    x = 60,783.17

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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.