Finding the Fourth Proportional to 80,175.21, 110,626.86 and 51,499.99
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Solution
The fourth proportional to 80,175.21, 110,626.86 and 51,499.99 is: 71,060.40
Step by Step Solution
- Step 1: Write the proportion equation
80,175.21 : 110,626.86 = 51,499.99 : x - Step 2: Convert to fraction form
80,175.21/110,626.86 = 51,499.99/x - Step 3: Cross multiply
80,175.21x = 110,626.86 × 51,499.99 - Step 4: Simplify right side
80,175.21x = 5,697,282,183.73 - Step 5: Solve for x
x = 5,697,282,183.73/80,175.21 - Step 6: Final answer
x = 71,060.40
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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.