Finding the Fourth Proportional to 73,971.10, 110,891.85 and 44,400.70
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Solution
The fourth proportional to 73,971.10, 110,891.85 and 44,400.70 is: 66,562.15
Step by Step Solution
- Step 1: Write the proportion equation
73,971.10 : 110,891.85 = 44,400.70 : x - Step 2: Convert to fraction form
73,971.10/110,891.85 = 44,400.70/x - Step 3: Cross multiply
73,971.10x = 110,891.85 × 44,400.70 - Step 4: Simplify right side
73,971.10x = 4,923,675,764.30 - Step 5: Solve for x
x = 4,923,675,764.30/73,971.10 - Step 6: Final answer
x = 66,562.15
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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.