Home / 81,819.40-122,664.30-44,883.40

Finding the Fourth Proportional to 81,819.40, 122,664.30 and 44,883.40

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Solution

The fourth proportional to 81,819.40, 122,664.30 and 44,883.40 is: 67,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,819.40 : 122,664.30 = 44,883.40 : x
  2. Step 2: Convert to fraction form
    81,819.40/122,664.30 = 44,883.40/x
  3. Step 3: Cross multiply
    81,819.40x = 122,664.30 × 44,883.40
  4. Step 4: Simplify right side
    81,819.40x = 5,505,590,842.62
  5. Step 5: Solve for x
    x = 5,505,590,842.62/81,819.40
  6. Step 6: Final answer
    x = 67,289.55

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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.