Finding the Fourth Proportional to 75,705.26, 104,450.12 and 43,868.01
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Solution
The fourth proportional to 75,705.26, 104,450.12 and 43,868.01 is: 60,524.45
Step by Step Solution
- Step 1: Write the proportion equation
75,705.26 : 104,450.12 = 43,868.01 : x - Step 2: Convert to fraction form
75,705.26/104,450.12 = 43,868.01/x - Step 3: Cross multiply
75,705.26x = 104,450.12 × 43,868.01 - Step 4: Simplify right side
75,705.26x = 4,582,018,689.32 - Step 5: Solve for x
x = 4,582,018,689.32/75,705.26 - Step 6: Final answer
x = 60,524.45
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1.5x scale
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.