Finding the Fourth Proportional to 74,074.44, 102,221.99 and 40,082.18
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Solution
The fourth proportional to 74,074.44, 102,221.99 and 40,082.18 is: 55,313.00
Step by Step Solution
- Step 1: Write the proportion equation
74,074.44 : 102,221.99 = 40,082.18 : x - Step 2: Convert to fraction form
74,074.44/102,221.99 = 40,082.18/x - Step 3: Cross multiply
74,074.44x = 102,221.99 × 40,082.18 - Step 4: Simplify right side
74,074.44x = 4,097,279,491.62 - Step 5: Solve for x
x = 4,097,279,491.62/74,074.44 - Step 6: Final answer
x = 55,313.00
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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.