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Finding the Fourth Proportional to 80,404.77, 110,965.40 and 44,606.32

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Solution

The fourth proportional to 80,404.77, 110,965.40 and 44,606.32 is: 61,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,404.77 : 110,965.40 = 44,606.32 : x
  2. Step 2: Convert to fraction form
    80,404.77/110,965.40 = 44,606.32/x
  3. Step 3: Cross multiply
    80,404.77x = 110,965.40 × 44,606.32
  4. Step 4: Simplify right side
    80,404.77x = 4,949,758,141.33
  5. Step 5: Solve for x
    x = 4,949,758,141.33/80,404.77
  6. Step 6: Final answer
    x = 61,560.50

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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.