Finding the Fourth Proportional to 75,812.40, 104,619.81 and 41,824.14
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Solution
The fourth proportional to 75,812.40, 104,619.81 and 41,824.14 is: 57,716.59
Step by Step Solution
- Step 1: Write the proportion equation
75,812.40 : 104,619.81 = 41,824.14 : x - Step 2: Convert to fraction form
75,812.40/104,619.81 = 41,824.14/x - Step 3: Cross multiply
75,812.40x = 104,619.81 × 41,824.14 - Step 4: Simplify right side
75,812.40x = 4,375,633,580.21 - Step 5: Solve for x
x = 4,375,633,580.21/75,812.40 - Step 6: Final answer
x = 57,716.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.