Home / 90,849.94-125,371.66-50,563.69

Finding the Fourth Proportional to 90,849.94, 125,371.66 and 50,563.69

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Solution

The fourth proportional to 90,849.94, 125,371.66 and 50,563.69 is: 69,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,849.94 : 125,371.66 = 50,563.69 : x
  2. Step 2: Convert to fraction form
    90,849.94/125,371.66 = 50,563.69/x
  3. Step 3: Cross multiply
    90,849.94x = 125,371.66 × 50,563.69
  4. Step 4: Simplify right side
    90,849.94x = 6,339,253,751.03
  5. Step 5: Solve for x
    x = 6,339,253,751.03/90,849.94
  6. Step 6: Final answer
    x = 69,777.19

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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.