Finding the Fourth Proportional to 71,850.72, 107,788.08 and 32,406.96
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Solution
The fourth proportional to 71,850.72, 107,788.08 and 32,406.96 is: 48,615.85
Step by Step Solution
- Step 1: Write the proportion equation
71,850.72 : 107,788.08 = 32,406.96 : x - Step 2: Convert to fraction form
71,850.72/107,788.08 = 32,406.96/x - Step 3: Cross multiply
71,850.72x = 107,788.08 × 32,406.96 - Step 4: Simplify right side
71,850.72x = 3,493,083,997.04 - Step 5: Solve for x
x = 3,493,083,997.04/71,850.72 - Step 6: Final answer
x = 48,615.85
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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.