Finding the Fourth Proportional to 75,383.04, 104,028.12 and 41,392.08
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Solution
The fourth proportional to 75,383.04, 104,028.12 and 41,392.08 is: 57,120.81
Step by Step Solution
- Step 1: Write the proportion equation
75,383.04 : 104,028.12 = 41,392.08 : x - Step 2: Convert to fraction form
75,383.04/104,028.12 = 41,392.08/x - Step 3: Cross multiply
75,383.04x = 104,028.12 × 41,392.08 - Step 4: Simplify right side
75,383.04x = 4,305,940,265.29 - Step 5: Solve for x
x = 4,305,940,265.29/75,383.04 - Step 6: Final answer
x = 57,120.81
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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.