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Finding the Fourth Proportional to 80,007, 110,409.66 and 44,679

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Solution

The fourth proportional to 80,007, 110,409.66 and 44,679 is: 61,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,007 : 110,409.66 = 44,679 : x
  2. Step 2: Convert to fraction form
    80,007/110,409.66 = 44,679/x
  3. Step 3: Cross multiply
    80,007x = 110,409.66 × 44,679
  4. Step 4: Simplify right side
    80,007x = 4,932,993,199.14
  5. Step 5: Solve for x
    x = 4,932,993,199.14/80,007
  6. Step 6: Final answer
    x = 61,657.02

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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.