Home / 45,845.88-68,761.44-12,558.16

Finding the Fourth Proportional to 45,845.88, 68,761.44 and 12,558.16

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Solution

The fourth proportional to 45,845.88, 68,761.44 and 12,558.16 is: 18,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,845.88 : 68,761.44 = 12,558.16 : x
  2. Step 2: Convert to fraction form
    45,845.88/68,761.44 = 12,558.16/x
  3. Step 3: Cross multiply
    45,845.88x = 68,761.44 × 12,558.16
  4. Step 4: Simplify right side
    45,845.88x = 863,517,165.35
  5. Step 5: Solve for x
    x = 863,517,165.35/45,845.88
  6. Step 6: Final answer
    x = 18,835.22

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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.