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Finding the Fourth Proportional to 80,298.68, 110,813.06 and 44,489.25

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Solution

The fourth proportional to 80,298.68, 110,813.06 and 44,489.25 is: 61,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,298.68 : 110,813.06 = 44,489.25 : x
  2. Step 2: Convert to fraction form
    80,298.68/110,813.06 = 44,489.25/x
  3. Step 3: Cross multiply
    80,298.68x = 110,813.06 × 44,489.25
  4. Step 4: Simplify right side
    80,298.68x = 4,929,990,040.83
  5. Step 5: Solve for x
    x = 4,929,990,040.83/80,298.68
  6. Step 6: Final answer
    x = 61,395.66

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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.