Home / 91,470.06-126,224.55-50,635.71

Finding the Fourth Proportional to 91,470.06, 126,224.55 and 50,635.71

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Solution

The fourth proportional to 91,470.06, 126,224.55 and 50,635.71 is: 69,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,470.06 : 126,224.55 = 50,635.71 : x
  2. Step 2: Convert to fraction form
    91,470.06/126,224.55 = 50,635.71/x
  3. Step 3: Cross multiply
    91,470.06x = 126,224.55 × 50,635.71
  4. Step 4: Simplify right side
    91,470.06x = 6,391,469,708.68
  5. Step 5: Solve for x
    x = 6,391,469,708.68/91,470.06
  6. Step 6: Final answer
    x = 69,874.99

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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.