Finding the Fourth Proportional to 77,625.41, 116,401.26 and 35,492.99
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Solution
The fourth proportional to 77,625.41, 116,401.26 and 35,492.99 is: 53,222.63
Step by Step Solution
- Step 1: Write the proportion equation
77,625.41 : 116,401.26 = 35,492.99 : x - Step 2: Convert to fraction form
77,625.41/116,401.26 = 35,492.99/x - Step 3: Cross multiply
77,625.41x = 116,401.26 × 35,492.99 - Step 4: Simplify right side
77,625.41x = 4,131,428,757.17 - Step 5: Solve for x
x = 4,131,428,757.17/77,625.41 - Step 6: Final answer
x = 53,222.63
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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.