Finding the Fourth Proportional to 68,215.62, 102,387.42 and 41,971.62
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Solution
The fourth proportional to 68,215.62, 102,387.42 and 41,971.62 is: 62,996.80
Step by Step Solution
- Step 1: Write the proportion equation
68,215.62 : 102,387.42 = 41,971.62 : x - Step 2: Convert to fraction form
68,215.62/102,387.42 = 41,971.62/x - Step 3: Cross multiply
68,215.62x = 102,387.42 × 41,971.62 - Step 4: Simplify right side
68,215.62x = 4,297,365,885.02 - Step 5: Solve for x
x = 4,297,365,885.02/68,215.62 - Step 6: Final answer
x = 62,996.80
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1.5x scale
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.