Finding the Fourth Proportional to 74,449.57, 102,729.49 and 44,236.17
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Solution
The fourth proportional to 74,449.57, 102,729.49 and 44,236.17 is: 61,039.43
Step by Step Solution
- Step 1: Write the proportion equation
74,449.57 : 102,729.49 = 44,236.17 : x - Step 2: Convert to fraction form
74,449.57/102,729.49 = 44,236.17/x - Step 3: Cross multiply
74,449.57x = 102,729.49 × 44,236.17 - Step 4: Simplify right side
74,449.57x = 4,544,359,183.65 - Step 5: Solve for x
x = 4,544,359,183.65/74,449.57 - Step 6: Final answer
x = 61,039.43
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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.