Finding the Fourth Proportional to 77,642.26, 116,470.68 and 27,727.66
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Solution
The fourth proportional to 77,642.26, 116,470.68 and 27,727.66 is: 41,594.09
Step by Step Solution
- Step 1: Write the proportion equation
77,642.26 : 116,470.68 = 27,727.66 : x - Step 2: Convert to fraction form
77,642.26/116,470.68 = 27,727.66/x - Step 3: Cross multiply
77,642.26x = 116,470.68 × 27,727.66 - Step 4: Simplify right side
77,642.26x = 3,229,459,415.01 - Step 5: Solve for x
x = 3,229,459,415.01/77,642.26 - Step 6: Final answer
x = 41,594.09
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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.