Finding the Fourth Proportional to 71,730.75, 107,613.41 and 22,482.75
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Solution
The fourth proportional to 71,730.75, 107,613.41 and 22,482.75 is: 33,729.54
Step by Step Solution
- Step 1: Write the proportion equation
71,730.75 : 107,613.41 = 22,482.75 : x - Step 2: Convert to fraction form
71,730.75/107,613.41 = 22,482.75/x - Step 3: Cross multiply
71,730.75x = 107,613.41 × 22,482.75 - Step 4: Simplify right side
71,730.75x = 2,419,445,281.26 - Step 5: Solve for x
x = 2,419,445,281.26/71,730.75 - Step 6: Final answer
x = 33,729.54
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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.