Finding the Fourth Proportional to 71,470.68, 107,207.64 and 27,118.32
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Solution
The fourth proportional to 71,470.68, 107,207.64 and 27,118.32 is: 40,678.09
Step by Step Solution
- Step 1: Write the proportion equation
71,470.68 : 107,207.64 = 27,118.32 : x - Step 2: Convert to fraction form
71,470.68/107,207.64 = 27,118.32/x - Step 3: Cross multiply
71,470.68x = 107,207.64 × 27,118.32 - Step 4: Simplify right side
71,470.68x = 2,907,291,087.96 - Step 5: Solve for x
x = 2,907,291,087.96/71,470.68 - Step 6: Final answer
x = 40,678.09
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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.