Finding the Fourth Proportional to 96,738.36, 145,114.26 and 40,557.24
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Solution
The fourth proportional to 96,738.36, 145,114.26 and 40,557.24 is: 60,838.68
Step by Step Solution
- Step 1: Write the proportion equation
96,738.36 : 145,114.26 = 40,557.24 : x - Step 2: Convert to fraction form
96,738.36/145,114.26 = 40,557.24/x - Step 3: Cross multiply
96,738.36x = 145,114.26 × 40,557.24 - Step 4: Simplify right side
96,738.36x = 5,885,433,870.24 - Step 5: Solve for x
x = 5,885,433,870.24/96,738.36 - Step 6: Final answer
x = 60,838.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.