Finding the Fourth Proportional to 74,808.96, 103,236.72 and 41,274.96
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Solution
The fourth proportional to 74,808.96, 103,236.72 and 41,274.96 is: 56,959.64
Step by Step Solution
- Step 1: Write the proportion equation
74,808.96 : 103,236.72 = 41,274.96 : x - Step 2: Convert to fraction form
74,808.96/103,236.72 = 41,274.96/x - Step 3: Cross multiply
74,808.96x = 103,236.72 × 41,274.96 - Step 4: Simplify right side
74,808.96x = 4,261,091,488.53 - Step 5: Solve for x
x = 4,261,091,488.53/74,808.96 - Step 6: Final answer
x = 56,959.64
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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.