Finding the Fourth Proportional to 55,268.50, 76,270.54 and 30,118
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Solution
The fourth proportional to 55,268.50, 76,270.54 and 30,118 is: 41,562.85
Step by Step Solution
- Step 1: Write the proportion equation
55,268.50 : 76,270.54 = 30,118 : x - Step 2: Convert to fraction form
55,268.50/76,270.54 = 30,118/x - Step 3: Cross multiply
55,268.50x = 76,270.54 × 30,118 - Step 4: Simplify right side
55,268.50x = 2,297,116,123.72 - Step 5: Solve for x
x = 2,297,116,123.72/55,268.50 - Step 6: Final answer
x = 41,562.85
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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.