Finding the Fourth Proportional to 84,074.46, 126,144.51 and 48,516.99
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Solution
The fourth proportional to 84,074.46, 126,144.51 and 48,516.99 is: 72,794.42
Step by Step Solution
- Step 1: Write the proportion equation
84,074.46 : 126,144.51 = 48,516.99 : x - Step 2: Convert to fraction form
84,074.46/126,144.51 = 48,516.99/x - Step 3: Cross multiply
84,074.46x = 126,144.51 × 48,516.99 - Step 4: Simplify right side
84,074.46x = 6,120,151,930.22 - Step 5: Solve for x
x = 6,120,151,930.22/84,074.46 - Step 6: Final answer
x = 72,794.42
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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.