Finding the Fourth Proportional to 75,699.11, 104,456.93 and 46,622.84
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Solution
The fourth proportional to 75,699.11, 104,456.93 and 46,622.84 is: 64,334.69
Step by Step Solution
- Step 1: Write the proportion equation
75,699.11 : 104,456.93 = 46,622.84 : x - Step 2: Convert to fraction form
75,699.11/104,456.93 = 46,622.84/x - Step 3: Cross multiply
75,699.11x = 104,456.93 × 46,622.84 - Step 4: Simplify right side
75,699.11x = 4,870,078,734.28 - Step 5: Solve for x
x = 4,870,078,734.28/75,699.11 - Step 6: Final answer
x = 64,334.69
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1.5x scale
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.