Home / 81,606.66-122,336.09-29,003.84

Finding the Fourth Proportional to 81,606.66, 122,336.09 and 29,003.84

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Solution

The fourth proportional to 81,606.66, 122,336.09 and 29,003.84 is: 43,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,606.66 : 122,336.09 = 29,003.84 : x
  2. Step 2: Convert to fraction form
    81,606.66/122,336.09 = 29,003.84/x
  3. Step 3: Cross multiply
    81,606.66x = 122,336.09 × 29,003.84
  4. Step 4: Simplify right side
    81,606.66x = 3,548,216,380.59
  5. Step 5: Solve for x
    x = 3,548,216,380.59/81,606.66
  6. Step 6: Final answer
    x = 43,479.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.