Home / 81,381.23-122,091.25-33,969.96

Finding the Fourth Proportional to 81,381.23, 122,091.25 and 33,969.96

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Solution

The fourth proportional to 81,381.23, 122,091.25 and 33,969.96 is: 50,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,381.23 : 122,091.25 = 33,969.96 : x
  2. Step 2: Convert to fraction form
    81,381.23/122,091.25 = 33,969.96/x
  3. Step 3: Cross multiply
    81,381.23x = 122,091.25 × 33,969.96
  4. Step 4: Simplify right side
    81,381.23x = 4,147,434,514.24
  5. Step 5: Solve for x
    x = 4,147,434,514.24/81,381.23
  6. Step 6: Final answer
    x = 50,963.03

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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.