Finding the Fourth Proportional to 71,664.36, 107,514.36 and 24,917.64
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Solution
The fourth proportional to 71,664.36, 107,514.36 and 24,917.64 is: 37,382.66
Step by Step Solution
- Step 1: Write the proportion equation
71,664.36 : 107,514.36 = 24,917.64 : x - Step 2: Convert to fraction form
71,664.36/107,514.36 = 24,917.64/x - Step 3: Cross multiply
71,664.36x = 107,514.36 × 24,917.64 - Step 4: Simplify right side
71,664.36x = 2,679,004,117.31 - Step 5: Solve for x
x = 2,679,004,117.31/71,664.36 - Step 6: Final answer
x = 37,382.66
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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.