Finding the Fourth Proportional to 86,105.53, 118,827.06 and 47,344.99
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Solution
The fourth proportional to 86,105.53, 118,827.06 and 47,344.99 is: 65,336.87
Step by Step Solution
- Step 1: Write the proportion equation
86,105.53 : 118,827.06 = 47,344.99 : x - Step 2: Convert to fraction form
86,105.53/118,827.06 = 47,344.99/x - Step 3: Cross multiply
86,105.53x = 118,827.06 × 47,344.99 - Step 4: Simplify right side
86,105.53x = 5,625,865,967.43 - Step 5: Solve for x
x = 5,625,865,967.43/86,105.53 - Step 6: Final answer
x = 65,336.87
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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.