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Finding the Fourth Proportional to 80,384.36, 110,936.10 and 44,577.80

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Solution

The fourth proportional to 80,384.36, 110,936.10 and 44,577.80 is: 61,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,384.36 : 110,936.10 = 44,577.80 : x
  2. Step 2: Convert to fraction form
    80,384.36/110,936.10 = 44,577.80/x
  3. Step 3: Cross multiply
    80,384.36x = 110,936.10 × 44,577.80
  4. Step 4: Simplify right side
    80,384.36x = 4,945,287,278.58
  5. Step 5: Solve for x
    x = 4,945,287,278.58/80,384.36
  6. Step 6: Final answer
    x = 61,520.52

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1.5x scale

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.