Finding the Fourth Proportional to 71,880.24, 107,795.52 and 27,519.60
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Solution
The fourth proportional to 71,880.24, 107,795.52 and 27,519.60 is: 41,269.89
Step by Step Solution
- Step 1: Write the proportion equation
71,880.24 : 107,795.52 = 27,519.60 : x - Step 2: Convert to fraction form
71,880.24/107,795.52 = 27,519.60/x - Step 3: Cross multiply
71,880.24x = 107,795.52 × 27,519.60 - Step 4: Simplify right side
71,880.24x = 2,966,489,592.19 - Step 5: Solve for x
x = 2,966,489,592.19/71,880.24 - Step 6: Final answer
x = 41,269.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.