Home / 45,849.96-68,777.73-12,568.68

Finding the Fourth Proportional to 45,849.96, 68,777.73 and 12,568.68

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Solution

The fourth proportional to 45,849.96, 68,777.73 and 12,568.68 is: 18,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,849.96 : 68,777.73 = 12,568.68 : x
  2. Step 2: Convert to fraction form
    45,849.96/68,777.73 = 12,568.68/x
  3. Step 3: Cross multiply
    45,849.96x = 68,777.73 × 12,568.68
  4. Step 4: Simplify right side
    45,849.96x = 864,445,279.50
  5. Step 5: Solve for x
    x = 864,445,279.50/45,849.96
  6. Step 6: Final answer
    x = 18,853.78

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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.