Home / 67,077.52-100,625.94-20,334.04

Finding the Fourth Proportional to 67,077.52, 100,625.94 and 20,334.04

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Solution

The fourth proportional to 67,077.52, 100,625.94 and 20,334.04 is: 30,503.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,077.52 : 100,625.94 = 20,334.04 : x
  2. Step 2: Convert to fraction form
    67,077.52/100,625.94 = 20,334.04/x
  3. Step 3: Cross multiply
    67,077.52x = 100,625.94 × 20,334.04
  4. Step 4: Simplify right side
    67,077.52x = 2,046,131,889.00
  5. Step 5: Solve for x
    x = 2,046,131,889.00/67,077.52
  6. Step 6: Final answer
    x = 30,503.99

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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.