Finding the Fourth Proportional to 86,082.23, 118,759.46 and 49,776.99
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Solution
The fourth proportional to 86,082.23, 118,759.46 and 49,776.99 is: 68,672.58
Step by Step Solution
- Step 1: Write the proportion equation
86,082.23 : 118,759.46 = 49,776.99 : x - Step 2: Convert to fraction form
86,082.23/118,759.46 = 49,776.99/x - Step 3: Cross multiply
86,082.23x = 118,759.46 × 49,776.99 - Step 4: Simplify right side
86,082.23x = 5,911,488,203.94 - Step 5: Solve for x
x = 5,911,488,203.94/86,082.23 - Step 6: Final answer
x = 68,672.58
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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.