Home / 100,636.43-151,022.53-41,470.79

Finding the Fourth Proportional to 100,636.43, 151,022.53 and 41,470.79

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Solution

The fourth proportional to 100,636.43, 151,022.53 and 41,470.79 is: 62,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,636.43 : 151,022.53 = 41,470.79 : x
  2. Step 2: Convert to fraction form
    100,636.43/151,022.53 = 41,470.79/x
  3. Step 3: Cross multiply
    100,636.43x = 151,022.53 × 41,470.79
  4. Step 4: Simplify right side
    100,636.43x = 6,263,022,690.35
  5. Step 5: Solve for x
    x = 6,263,022,690.35/100,636.43
  6. Step 6: Final answer
    x = 62,234.15

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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.