Home / 43,180.44-64,772.97-13,600.58

Finding the Fourth Proportional to 43,180.44, 64,772.97 and 13,600.58

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Solution

The fourth proportional to 43,180.44, 64,772.97 and 13,600.58 is: 20,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,180.44 : 64,772.97 = 13,600.58 : x
  2. Step 2: Convert to fraction form
    43,180.44/64,772.97 = 13,600.58/x
  3. Step 3: Cross multiply
    43,180.44x = 64,772.97 × 13,600.58
  4. Step 4: Simplify right side
    43,180.44x = 880,949,960.32
  5. Step 5: Solve for x
    x = 880,949,960.32/43,180.44
  6. Step 6: Final answer
    x = 20,401.60

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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.