Finding the Fourth Proportional to 80,011.67, 110,419.26 and 46,020.09
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Solution
The fourth proportional to 80,011.67, 110,419.26 and 46,020.09 is: 63,509.55
Step by Step Solution
- Step 1: Write the proportion equation
80,011.67 : 110,419.26 = 46,020.09 : x - Step 2: Convert to fraction form
80,011.67/110,419.26 = 46,020.09/x - Step 3: Cross multiply
80,011.67x = 110,419.26 × 46,020.09 - Step 4: Simplify right side
80,011.67x = 5,081,504,524.43 - Step 5: Solve for x
x = 5,081,504,524.43/80,011.67 - Step 6: Final answer
x = 63,509.55
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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.