Finding the Fourth Proportional to 71,825.72, 107,730.35 and 27,451.49
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Solution
The fourth proportional to 71,825.72, 107,730.35 and 27,451.49 is: 41,174.09
Step by Step Solution
- Step 1: Write the proportion equation
71,825.72 : 107,730.35 = 27,451.49 : x - Step 2: Convert to fraction form
71,825.72/107,730.35 = 27,451.49/x - Step 3: Cross multiply
71,825.72x = 107,730.35 × 27,451.49 - Step 4: Simplify right side
71,825.72x = 2,957,358,488.46 - Step 5: Solve for x
x = 2,957,358,488.46/71,825.72 - Step 6: Final answer
x = 41,174.09
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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.