Finding the Fourth Proportional to 71,460.80, 107,130.72 and 27,063.08
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Solution
The fourth proportional to 71,460.80, 107,130.72 and 27,063.08 is: 40,571.72
Step by Step Solution
- Step 1: Write the proportion equation
71,460.80 : 107,130.72 = 27,063.08 : x - Step 2: Convert to fraction form
71,460.80/107,130.72 = 27,063.08/x - Step 3: Cross multiply
71,460.80x = 107,130.72 × 27,063.08 - Step 4: Simplify right side
71,460.80x = 2,899,287,245.82 - Step 5: Solve for x
x = 2,899,287,245.82/71,460.80 - Step 6: Final answer
x = 40,571.72
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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.