Finding the Fourth Proportional to 75,622.89, 104,366.04 and 41,637.99
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Solution
The fourth proportional to 75,622.89, 104,366.04 and 41,637.99 is: 57,463.98
Step by Step Solution
- Step 1: Write the proportion equation
75,622.89 : 104,366.04 = 41,637.99 : x - Step 2: Convert to fraction form
75,622.89/104,366.04 = 41,637.99/x - Step 3: Cross multiply
75,622.89x = 104,366.04 × 41,637.99 - Step 4: Simplify right side
75,622.89x = 4,345,592,129.86 - Step 5: Solve for x
x = 4,345,592,129.86/75,622.89 - Step 6: Final answer
x = 57,463.98
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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.