Finding the Fourth Proportional to 74,682.78, 112,046.04 and 22,093.68
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Solution
The fourth proportional to 74,682.78, 112,046.04 and 22,093.68 is: 33,146.99
Step by Step Solution
- Step 1: Write the proportion equation
74,682.78 : 112,046.04 = 22,093.68 : x - Step 2: Convert to fraction form
74,682.78/112,046.04 = 22,093.68/x - Step 3: Cross multiply
74,682.78x = 112,046.04 × 22,093.68 - Step 4: Simplify right side
74,682.78x = 2,475,509,353.03 - Step 5: Solve for x
x = 2,475,509,353.03/74,682.78 - Step 6: Final answer
x = 33,146.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.