Finding the Fourth Proportional to 71,427.24, 107,141.91 and 27,042.06
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Solution
The fourth proportional to 71,427.24, 107,141.91 and 27,042.06 is: 40,563.49
Step by Step Solution
- Step 1: Write the proportion equation
71,427.24 : 107,141.91 = 27,042.06 : x - Step 2: Convert to fraction form
71,427.24/107,141.91 = 27,042.06/x - Step 3: Cross multiply
71,427.24x = 107,141.91 × 27,042.06 - Step 4: Simplify right side
71,427.24x = 2,897,337,958.73 - Step 5: Solve for x
x = 2,897,337,958.73/71,427.24 - Step 6: Final answer
x = 40,563.49
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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.