Home / 55,511.75-76,606.22-30,361.25

Finding the Fourth Proportional to 55,511.75, 76,606.22 and 30,361.25

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Solution

The fourth proportional to 55,511.75, 76,606.22 and 30,361.25 is: 41,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511.75 : 76,606.22 = 30,361.25 : x
  2. Step 2: Convert to fraction form
    55,511.75/76,606.22 = 30,361.25/x
  3. Step 3: Cross multiply
    55,511.75x = 76,606.22 × 30,361.25
  4. Step 4: Simplify right side
    55,511.75x = 2,325,860,596.98
  5. Step 5: Solve for x
    x = 2,325,860,596.98/55,511.75
  6. Step 6: Final answer
    x = 41,898.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.