Finding the Fourth Proportional to 71,920.24, 107,881.26 and 27,549.66
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Solution
The fourth proportional to 71,920.24, 107,881.26 and 27,549.66 is: 41,324.83
Step by Step Solution
- Step 1: Write the proportion equation
71,920.24 : 107,881.26 = 27,549.66 : x - Step 2: Convert to fraction form
71,920.24/107,881.26 = 27,549.66/x - Step 3: Cross multiply
71,920.24x = 107,881.26 × 27,549.66 - Step 4: Simplify right side
71,920.24x = 2,972,092,033.37 - Step 5: Solve for x
x = 2,972,092,033.37/71,920.24 - Step 6: Final answer
x = 41,324.83
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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.