Finding the Fourth Proportional to 71,665.36, 107,544.86 and 27,292.54
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Solution
The fourth proportional to 71,665.36, 107,544.86 and 27,292.54 is: 40,956.64
Step by Step Solution
- Step 1: Write the proportion equation
71,665.36 : 107,544.86 = 27,292.54 : x - Step 2: Convert to fraction form
71,665.36/107,544.86 = 27,292.54/x - Step 3: Cross multiply
71,665.36x = 107,544.86 × 27,292.54 - Step 4: Simplify right side
71,665.36x = 2,935,172,393.34 - Step 5: Solve for x
x = 2,935,172,393.34/71,665.36 - Step 6: Final answer
x = 40,956.64
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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.