Finding the Fourth Proportional to 75,524.20, 104,231.36 and 43,261.39
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Solution
The fourth proportional to 75,524.20, 104,231.36 and 43,261.39 is: 59,705.28
Step by Step Solution
- Step 1: Write the proportion equation
75,524.20 : 104,231.36 = 43,261.39 : x - Step 2: Convert to fraction form
75,524.20/104,231.36 = 43,261.39/x - Step 3: Cross multiply
75,524.20x = 104,231.36 × 43,261.39 - Step 4: Simplify right side
75,524.20x = 4,509,193,510.29 - Step 5: Solve for x
x = 4,509,193,510.29/75,524.20 - Step 6: Final answer
x = 59,705.28
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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.