Finding the Fourth Proportional to 104,036.97, 143,717.99 and 82,789.05
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Solution
The fourth proportional to 104,036.97, 143,717.99 and 82,789.05 is: 114,365.84
Step by Step Solution
- Step 1: Write the proportion equation
104,036.97 : 143,717.99 = 82,789.05 : x - Step 2: Convert to fraction form
104,036.97/143,717.99 = 82,789.05/x - Step 3: Cross multiply
104,036.97x = 143,717.99 × 82,789.05 - Step 4: Simplify right side
104,036.97x = 11,898,275,446.06 - Step 5: Solve for x
x = 11,898,275,446.06/104,036.97 - Step 6: Final answer
x = 114,365.84
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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.