Finding the Fourth Proportional to 75,842.36, 104,665.05 and 41,852.06
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Solution
The fourth proportional to 75,842.36, 104,665.05 and 41,852.06 is: 57,757.27
Step by Step Solution
- Step 1: Write the proportion equation
75,842.36 : 104,665.05 = 41,852.06 : x - Step 2: Convert to fraction form
75,842.36/104,665.05 = 41,852.06/x - Step 3: Cross multiply
75,842.36x = 104,665.05 × 41,852.06 - Step 4: Simplify right side
75,842.36x = 4,380,447,429.18 - Step 5: Solve for x
x = 4,380,447,429.18/75,842.36 - Step 6: Final answer
x = 57,757.27
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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.