Home / 49,245.22-73,868.10-14,185.72

Finding the Fourth Proportional to 49,245.22, 73,868.10 and 14,185.72

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Solution

The fourth proportional to 49,245.22, 73,868.10 and 14,185.72 is: 21,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,245.22 : 73,868.10 = 14,185.72 : x
  2. Step 2: Convert to fraction form
    49,245.22/73,868.10 = 14,185.72/x
  3. Step 3: Cross multiply
    49,245.22x = 73,868.10 × 14,185.72
  4. Step 4: Simplify right side
    49,245.22x = 1,047,872,183.53
  5. Step 5: Solve for x
    x = 1,047,872,183.53/49,245.22
  6. Step 6: Final answer
    x = 21,278.66

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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.