Home / 67,255.26-100,628.94-40,137.06

Finding the Fourth Proportional to 67,255.26, 100,628.94 and 40,137.06

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Solution

The fourth proportional to 67,255.26, 100,628.94 and 40,137.06 is: 60,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,255.26 : 100,628.94 = 40,137.06 : x
  2. Step 2: Convert to fraction form
    67,255.26/100,628.94 = 40,137.06/x
  3. Step 3: Cross multiply
    67,255.26x = 100,628.94 × 40,137.06
  4. Step 4: Simplify right side
    67,255.26x = 4,038,949,802.52
  5. Step 5: Solve for x
    x = 4,038,949,802.52/67,255.26
  6. Step 6: Final answer
    x = 60,054.04

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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.