Finding the Fourth Proportional to 75,465.30, 104,136.01 and 43,636.26
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Solution
The fourth proportional to 75,465.30, 104,136.01 and 43,636.26 is: 60,214.51
Step by Step Solution
- Step 1: Write the proportion equation
75,465.30 : 104,136.01 = 43,636.26 : x - Step 2: Convert to fraction form
75,465.30/104,136.01 = 43,636.26/x - Step 3: Cross multiply
75,465.30x = 104,136.01 × 43,636.26 - Step 4: Simplify right side
75,465.30x = 4,544,106,007.72 - Step 5: Solve for x
x = 4,544,106,007.72/75,465.30 - Step 6: Final answer
x = 60,214.51
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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.