Home / 45,843.06-68,764.64-12,563.41

Finding the Fourth Proportional to 45,843.06, 68,764.64 and 12,563.41

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Solution

The fourth proportional to 45,843.06, 68,764.64 and 12,563.41 is: 18,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,843.06 : 68,764.64 = 12,563.41 : x
  2. Step 2: Convert to fraction form
    45,843.06/68,764.64 = 12,563.41/x
  3. Step 3: Cross multiply
    45,843.06x = 68,764.64 × 12,563.41
  4. Step 4: Simplify right side
    45,843.06x = 863,918,365.82
  5. Step 5: Solve for x
    x = 863,918,365.82/45,843.06
  6. Step 6: Final answer
    x = 18,845.13

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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.