Finding the Fourth Proportional to 76,221.09, 105,183.23 and 44,396.19
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Solution
The fourth proportional to 76,221.09, 105,183.23 and 44,396.19 is: 61,265.65
Step by Step Solution
- Step 1: Write the proportion equation
76,221.09 : 105,183.23 = 44,396.19 : x - Step 2: Convert to fraction form
76,221.09/105,183.23 = 44,396.19/x - Step 3: Cross multiply
76,221.09x = 105,183.23 × 44,396.19 - Step 4: Simplify right side
76,221.09x = 4,669,734,441.91 - Step 5: Solve for x
x = 4,669,734,441.91/76,221.09 - Step 6: Final answer
x = 61,265.65
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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.