Finding the Fourth Proportional to 71,464.68, 107,198.64 and 27,112.32
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Solution
The fourth proportional to 71,464.68, 107,198.64 and 27,112.32 is: 40,669.09
Step by Step Solution
- Step 1: Write the proportion equation
71,464.68 : 107,198.64 = 27,112.32 : x - Step 2: Convert to fraction form
71,464.68/107,198.64 = 27,112.32/x - Step 3: Cross multiply
71,464.68x = 107,198.64 × 27,112.32 - Step 4: Simplify right side
71,464.68x = 2,906,403,831.24 - Step 5: Solve for x
x = 2,906,403,831.24/71,464.68 - Step 6: Final answer
x = 40,669.09
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1.5x scale
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.