Finding the Fourth Proportional to 86,000.99, 118,684.36 and 47,761.17
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Solution
The fourth proportional to 86,000.99, 118,684.36 and 47,761.17 is: 65,912.08
Step by Step Solution
- Step 1: Write the proportion equation
86,000.99 : 118,684.36 = 47,761.17 : x - Step 2: Convert to fraction form
86,000.99/118,684.36 = 47,761.17/x - Step 3: Cross multiply
86,000.99x = 118,684.36 × 47,761.17 - Step 4: Simplify right side
86,000.99x = 5,668,504,408.69 - Step 5: Solve for x
x = 5,668,504,408.69/86,000.99 - Step 6: Final answer
x = 65,912.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.