Finding the Fourth Proportional to 80,270.67, 110,772.30 and 43,971.84
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Solution
The fourth proportional to 80,270.67, 110,772.30 and 43,971.84 is: 60,680.47
Step by Step Solution
- Step 1: Write the proportion equation
80,270.67 : 110,772.30 = 43,971.84 : x - Step 2: Convert to fraction form
80,270.67/110,772.30 = 43,971.84/x - Step 3: Cross multiply
80,270.67x = 110,772.30 × 43,971.84 - Step 4: Simplify right side
80,270.67x = 4,870,861,852.03 - Step 5: Solve for x
x = 4,870,861,852.03/80,270.67 - Step 6: Final answer
x = 60,680.47
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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.