Finding the Fourth Proportional to 74,614.21, 102,964.49 and 41,078.05
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Solution
The fourth proportional to 74,614.21, 102,964.49 and 41,078.05 is: 56,685.99
Step by Step Solution
- Step 1: Write the proportion equation
74,614.21 : 102,964.49 = 41,078.05 : x - Step 2: Convert to fraction form
74,614.21/102,964.49 = 41,078.05/x - Step 3: Cross multiply
74,614.21x = 102,964.49 × 41,078.05 - Step 4: Simplify right side
74,614.21x = 4,229,580,056.32 - Step 5: Solve for x
x = 4,229,580,056.32/74,614.21 - Step 6: Final answer
x = 56,685.99
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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.