Home / 100,621.76-150,964.25-41,485.28

Finding the Fourth Proportional to 100,621.76, 150,964.25 and 41,485.28

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Solution

The fourth proportional to 100,621.76, 150,964.25 and 41,485.28 is: 62,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,621.76 : 150,964.25 = 41,485.28 : x
  2. Step 2: Convert to fraction form
    100,621.76/150,964.25 = 41,485.28/x
  3. Step 3: Cross multiply
    100,621.76x = 150,964.25 × 41,485.28
  4. Step 4: Simplify right side
    100,621.76x = 6,262,793,218.99
  5. Step 5: Solve for x
    x = 6,262,793,218.99/100,621.76
  6. Step 6: Final answer
    x = 62,240.95

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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.