Finding the Fourth Proportional to 92,961.08, 139,458.36 and 33,879.68
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Solution
The fourth proportional to 92,961.08, 139,458.36 and 33,879.68 is: 50,825.62
Step by Step Solution
- Step 1: Write the proportion equation
92,961.08 : 139,458.36 = 33,879.68 : x - Step 2: Convert to fraction form
92,961.08/139,458.36 = 33,879.68/x - Step 3: Cross multiply
92,961.08x = 139,458.36 × 33,879.68 - Step 4: Simplify right side
92,961.08x = 4,724,804,610.12 - Step 5: Solve for x
x = 4,724,804,610.12/92,961.08 - Step 6: Final answer
x = 50,825.62
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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.