Finding the Fourth Proportional to 71,021.71, 106,504.91 and 26,624.26
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Solution
The fourth proportional to 71,021.71, 106,504.91 and 26,624.26 is: 39,926.02
Step by Step Solution
- Step 1: Write the proportion equation
71,021.71 : 106,504.91 = 26,624.26 : x - Step 2: Convert to fraction form
71,021.71/106,504.91 = 26,624.26/x - Step 3: Cross multiply
71,021.71x = 106,504.91 × 26,624.26 - Step 4: Simplify right side
71,021.71x = 2,835,614,514.97 - Step 5: Solve for x
x = 2,835,614,514.97/71,021.71 - Step 6: Final answer
x = 39,926.02
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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.