Home / 74,466.22-102,764.07-40,474.78

Finding the Fourth Proportional to 74,466.22, 102,764.07 and 40,474.78

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Solution

The fourth proportional to 74,466.22, 102,764.07 and 40,474.78 is: 55,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,466.22 : 102,764.07 = 40,474.78 : x
  2. Step 2: Convert to fraction form
    74,466.22/102,764.07 = 40,474.78/x
  3. Step 3: Cross multiply
    74,466.22x = 102,764.07 × 40,474.78
  4. Step 4: Simplify right side
    74,466.22x = 4,159,352,408.96
  5. Step 5: Solve for x
    x = 4,159,352,408.96/74,466.22
  6. Step 6: Final answer
    x = 55,855.56

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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.