Home / 81,984.01-122,698.26-50,414.07

Finding the Fourth Proportional to 81,984.01, 122,698.26 and 50,414.07

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Solution

The fourth proportional to 81,984.01, 122,698.26 and 50,414.07 is: 75,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,984.01 : 122,698.26 = 50,414.07 : x
  2. Step 2: Convert to fraction form
    81,984.01/122,698.26 = 50,414.07/x
  3. Step 3: Cross multiply
    81,984.01x = 122,698.26 × 50,414.07
  4. Step 4: Simplify right side
    81,984.01x = 6,185,718,668.52
  5. Step 5: Solve for x
    x = 6,185,718,668.52/81,984.01
  6. Step 6: Final answer
    x = 75,450.31

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1.5x scale

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.