Finding the Fourth Proportional to 71,484.54, 107,222.14 and 29,353.69
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Solution
The fourth proportional to 71,484.54, 107,222.14 and 29,353.69 is: 44,028.62
Step by Step Solution
- Step 1: Write the proportion equation
71,484.54 : 107,222.14 = 29,353.69 : x - Step 2: Convert to fraction form
71,484.54/107,222.14 = 29,353.69/x - Step 3: Cross multiply
71,484.54x = 107,222.14 × 29,353.69 - Step 4: Simplify right side
71,484.54x = 3,147,365,458.70 - Step 5: Solve for x
x = 3,147,365,458.70/71,484.54 - Step 6: Final answer
x = 44,028.62
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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.