Home / 81,295.20-121,863.48-33,923.94

Finding the Fourth Proportional to 81,295.20, 121,863.48 and 33,923.94

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Solution

The fourth proportional to 81,295.20, 121,863.48 and 33,923.94 is: 50,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,295.20 : 121,863.48 = 33,923.94 : x
  2. Step 2: Convert to fraction form
    81,295.20/121,863.48 = 33,923.94/x
  3. Step 3: Cross multiply
    81,295.20x = 121,863.48 × 33,923.94
  4. Step 4: Simplify right side
    81,295.20x = 4,134,089,383.71
  5. Step 5: Solve for x
    x = 4,134,089,383.71/81,295.20
  6. Step 6: Final answer
    x = 50,852.81

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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.