Finding the Fourth Proportional to 75,619.87, 104,351.84 and 41,627.66
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Solution
The fourth proportional to 75,619.87, 104,351.84 and 41,627.66 is: 57,444.20
Step by Step Solution
- Step 1: Write the proportion equation
75,619.87 : 104,351.84 = 41,627.66 : x - Step 2: Convert to fraction form
75,619.87/104,351.84 = 41,627.66/x - Step 3: Cross multiply
75,619.87x = 104,351.84 × 41,627.66 - Step 4: Simplify right side
75,619.87x = 4,343,922,707.76 - Step 5: Solve for x
x = 4,343,922,707.76/75,619.87 - Step 6: Final answer
x = 57,444.20
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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.