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Finding the Fourth Proportional to 80,016, 110,422.08 and 44,688

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Solution

The fourth proportional to 80,016, 110,422.08 and 44,688 is: 61,669.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,016 : 110,422.08 = 44,688 : x
  2. Step 2: Convert to fraction form
    80,016/110,422.08 = 44,688/x
  3. Step 3: Cross multiply
    80,016x = 110,422.08 × 44,688
  4. Step 4: Simplify right side
    80,016x = 4,934,541,911.04
  5. Step 5: Solve for x
    x = 4,934,541,911.04/80,016
  6. Step 6: Final answer
    x = 61,669.44

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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.