Home / 90,571.43-124,983.69-50,282.60

Finding the Fourth Proportional to 90,571.43, 124,983.69 and 50,282.60

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Solution

The fourth proportional to 90,571.43, 124,983.69 and 50,282.60 is: 69,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,571.43 : 124,983.69 = 50,282.60 : x
  2. Step 2: Convert to fraction form
    90,571.43/124,983.69 = 50,282.60/x
  3. Step 3: Cross multiply
    90,571.43x = 124,983.69 × 50,282.60
  4. Step 4: Simplify right side
    90,571.43x = 6,284,504,890.79
  5. Step 5: Solve for x
    x = 6,284,504,890.79/90,571.43
  6. Step 6: Final answer
    x = 69,387.28

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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.