Finding the Fourth Proportional to 71,459.52, 107,181.60 and 29,343.96
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Solution
The fourth proportional to 71,459.52, 107,181.60 and 29,343.96 is: 44,012.79
Step by Step Solution
- Step 1: Write the proportion equation
71,459.52 : 107,181.60 = 29,343.96 : x - Step 2: Convert to fraction form
71,459.52/107,181.60 = 29,343.96/x - Step 3: Cross multiply
71,459.52x = 107,181.60 × 29,343.96 - Step 4: Simplify right side
71,459.52x = 3,145,132,583.14 - Step 5: Solve for x
x = 3,145,132,583.14/71,459.52 - Step 6: Final answer
x = 44,012.79
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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.