Home / 84,021.14-115,896.20-50,004.23

Finding the Fourth Proportional to 84,021.14, 115,896.20 and 50,004.23

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Solution

The fourth proportional to 84,021.14, 115,896.20 and 50,004.23 is: 68,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,021.14 : 115,896.20 = 50,004.23 : x
  2. Step 2: Convert to fraction form
    84,021.14/115,896.20 = 50,004.23/x
  3. Step 3: Cross multiply
    84,021.14x = 115,896.20 × 50,004.23
  4. Step 4: Simplify right side
    84,021.14x = 5,795,299,411.42
  5. Step 5: Solve for x
    x = 5,795,299,411.42/84,021.14
  6. Step 6: Final answer
    x = 68,974.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.