Finding the Fourth Proportional to 76,401.05, 114,625.04 and 36,470.99
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Solution
The fourth proportional to 76,401.05, 114,625.04 and 36,470.99 is: 54,717.69
Step by Step Solution
- Step 1: Write the proportion equation
76,401.05 : 114,625.04 = 36,470.99 : x - Step 2: Convert to fraction form
76,401.05/114,625.04 = 36,470.99/x - Step 3: Cross multiply
76,401.05x = 114,625.04 × 36,470.99 - Step 4: Simplify right side
76,401.05x = 4,180,488,791.80 - Step 5: Solve for x
x = 4,180,488,791.80/76,401.05 - Step 6: Final answer
x = 54,717.69
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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.