Finding the Fourth Proportional to 89,074.65, 122,922.99 and 48,790.92
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Solution
The fourth proportional to 89,074.65, 122,922.99 and 48,790.92 is: 67,331.45
Step by Step Solution
- Step 1: Write the proportion equation
89,074.65 : 122,922.99 = 48,790.92 : x - Step 2: Convert to fraction form
89,074.65/122,922.99 = 48,790.92/x - Step 3: Cross multiply
89,074.65x = 122,922.99 × 48,790.92 - Step 4: Simplify right side
89,074.65x = 5,997,525,771.25 - Step 5: Solve for x
x = 5,997,525,771.25/89,074.65 - Step 6: Final answer
x = 67,331.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.