Home / 74,446.21-102,694.19-45,745.93

Finding the Fourth Proportional to 74,446.21, 102,694.19 and 45,745.93

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Solution

The fourth proportional to 74,446.21, 102,694.19 and 45,745.93 is: 63,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,446.21 : 102,694.19 = 45,745.93 : x
  2. Step 2: Convert to fraction form
    74,446.21/102,694.19 = 45,745.93/x
  3. Step 3: Cross multiply
    74,446.21x = 102,694.19 × 45,745.93
  4. Step 4: Simplify right side
    74,446.21x = 4,697,840,998.42
  5. Step 5: Solve for x
    x = 4,697,840,998.42/74,446.21
  6. Step 6: Final answer
    x = 63,103.83

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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.