Finding the Fourth Proportional to 68,175.22, 102,269.81 and 26,090.70
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Solution
The fourth proportional to 68,175.22, 102,269.81 and 26,090.70 is: 39,138.72
Step by Step Solution
- Step 1: Write the proportion equation
68,175.22 : 102,269.81 = 26,090.70 : x - Step 2: Convert to fraction form
68,175.22/102,269.81 = 26,090.70/x - Step 3: Cross multiply
68,175.22x = 102,269.81 × 26,090.70 - Step 4: Simplify right side
68,175.22x = 2,668,290,676.09 - Step 5: Solve for x
x = 2,668,290,676.09/68,175.22 - Step 6: Final answer
x = 39,138.72
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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.