Finding the Fourth Proportional to 75,454.68, 104,129.32 and 41,462.92
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Solution
The fourth proportional to 75,454.68, 104,129.32 and 41,462.92 is: 57,219.85
Step by Step Solution
- Step 1: Write the proportion equation
75,454.68 : 104,129.32 = 41,462.92 : x - Step 2: Convert to fraction form
75,454.68/104,129.32 = 41,462.92/x - Step 3: Cross multiply
75,454.68x = 104,129.32 × 41,462.92 - Step 4: Simplify right side
75,454.68x = 4,317,505,664.81 - Step 5: Solve for x
x = 4,317,505,664.81/75,454.68 - Step 6: Final answer
x = 57,219.85
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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.