Finding the Fourth Proportional to 86,149.26, 118,896.66 and 48,423.51
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Solution
The fourth proportional to 86,149.26, 118,896.66 and 48,423.51 is: 66,830.45
Step by Step Solution
- Step 1: Write the proportion equation
86,149.26 : 118,896.66 = 48,423.51 : x - Step 2: Convert to fraction form
86,149.26/118,896.66 = 48,423.51/x - Step 3: Cross multiply
86,149.26x = 118,896.66 × 48,423.51 - Step 4: Simplify right side
86,149.26x = 5,757,393,604.48 - Step 5: Solve for x
x = 5,757,393,604.48/86,149.26 - Step 6: Final answer
x = 66,830.45
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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.