Finding the Fourth Proportional to 104,891.71, 157,268.63 and 50,842.09
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Solution
The fourth proportional to 104,891.71, 157,268.63 and 50,842.09 is: 76,229.72
Step by Step Solution
- Step 1: Write the proportion equation
104,891.71 : 157,268.63 = 50,842.09 : x - Step 2: Convert to fraction form
104,891.71/157,268.63 = 50,842.09/x - Step 3: Cross multiply
104,891.71x = 157,268.63 × 50,842.09 - Step 4: Simplify right side
104,891.71x = 7,995,865,574.57 - Step 5: Solve for x
x = 7,995,865,574.57/104,891.71 - Step 6: Final answer
x = 76,229.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.