Finding the Fourth Proportional to 76,226.67, 114,319.35 and 31,844.14
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Solution
The fourth proportional to 76,226.67, 114,319.35 and 31,844.14 is: 47,757.58
Step by Step Solution
- Step 1: Write the proportion equation
76,226.67 : 114,319.35 = 31,844.14 : x - Step 2: Convert to fraction form
76,226.67/114,319.35 = 31,844.14/x - Step 3: Cross multiply
76,226.67x = 114,319.35 × 31,844.14 - Step 4: Simplify right side
76,226.67x = 3,640,401,100.31 - Step 5: Solve for x
x = 3,640,401,100.31/76,226.67 - Step 6: Final answer
x = 47,757.58
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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.