Finding the Fourth Proportional to 77,402.55, 116,106.39 and 27,481.98
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Solution
The fourth proportional to 77,402.55, 116,106.39 and 27,481.98 is: 41,223.88
Step by Step Solution
- Step 1: Write the proportion equation
77,402.55 : 116,106.39 = 27,481.98 : x - Step 2: Convert to fraction form
77,402.55/116,106.39 = 27,481.98/x - Step 3: Cross multiply
77,402.55x = 116,106.39 × 27,481.98 - Step 4: Simplify right side
77,402.55x = 3,190,833,487.85 - Step 5: Solve for x
x = 3,190,833,487.85/77,402.55 - Step 6: Final answer
x = 41,223.88
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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.