Finding the Fourth Proportional to 71,452.41, 107,085.18 and 29,283.12
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Solution
The fourth proportional to 71,452.41, 107,085.18 and 29,283.12 is: 43,886.39
Step by Step Solution
- Step 1: Write the proportion equation
71,452.41 : 107,085.18 = 29,283.12 : x - Step 2: Convert to fraction form
71,452.41/107,085.18 = 29,283.12/x - Step 3: Cross multiply
71,452.41x = 107,085.18 × 29,283.12 - Step 4: Simplify right side
71,452.41x = 3,135,788,121.26 - Step 5: Solve for x
x = 3,135,788,121.26/71,452.41 - Step 6: Final answer
x = 43,886.39
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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.