Home / 81,485.26-122,282.10-33,493.22

Finding the Fourth Proportional to 81,485.26, 122,282.10 and 33,493.22

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Solution

The fourth proportional to 81,485.26, 122,282.10 and 33,493.22 is: 50,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,485.26 : 122,282.10 = 33,493.22 : x
  2. Step 2: Convert to fraction form
    81,485.26/122,282.10 = 33,493.22/x
  3. Step 3: Cross multiply
    81,485.26x = 122,282.10 × 33,493.22
  4. Step 4: Simplify right side
    81,485.26x = 4,095,621,277.36
  5. Step 5: Solve for x
    x = 4,095,621,277.36/81,485.26
  6. Step 6: Final answer
    x = 50,262.11

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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.