Home / 81,523.06-122,284.75-22,359.54

Finding the Fourth Proportional to 81,523.06, 122,284.75 and 22,359.54

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Solution

The fourth proportional to 81,523.06, 122,284.75 and 22,359.54 is: 33,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,523.06 : 122,284.75 = 22,359.54 : x
  2. Step 2: Convert to fraction form
    81,523.06/122,284.75 = 22,359.54/x
  3. Step 3: Cross multiply
    81,523.06x = 122,284.75 × 22,359.54
  4. Step 4: Simplify right side
    81,523.06x = 2,734,230,759.02
  5. Step 5: Solve for x
    x = 2,734,230,759.02/81,523.06
  6. Step 6: Final answer
    x = 33,539.35

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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.