Finding the Fourth Proportional to 71,895.14, 107,876.16 and 27,507.26
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Solution
The fourth proportional to 71,895.14, 107,876.16 and 27,507.26 is: 41,273.69
Step by Step Solution
- Step 1: Write the proportion equation
71,895.14 : 107,876.16 = 27,507.26 : x - Step 2: Convert to fraction form
71,895.14/107,876.16 = 27,507.26/x - Step 3: Cross multiply
71,895.14x = 107,876.16 × 27,507.26 - Step 4: Simplify right side
71,895.14x = 2,967,377,580.92 - Step 5: Solve for x
x = 2,967,377,580.92/71,895.14 - Step 6: Final answer
x = 41,273.69
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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.