Finding the Fourth Proportional to 71,584.80, 107,367.39 and 39,622.99
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Solution
The fourth proportional to 71,584.80, 107,367.39 and 39,622.99 is: 59,429.06
Step by Step Solution
- Step 1: Write the proportion equation
71,584.80 : 107,367.39 = 39,622.99 : x - Step 2: Convert to fraction form
71,584.80/107,367.39 = 39,622.99/x - Step 3: Cross multiply
71,584.80x = 107,367.39 × 39,622.99 - Step 4: Simplify right side
71,584.80x = 4,254,217,020.30 - Step 5: Solve for x
x = 4,254,217,020.30/71,584.80 - Step 6: Final answer
x = 59,429.06
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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.