Finding the Fourth Proportional to 86,515.68, 119,391.24 and 46,771.68
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Solution
The fourth proportional to 86,515.68, 119,391.24 and 46,771.68 is: 64,544.70
Step by Step Solution
- Step 1: Write the proportion equation
86,515.68 : 119,391.24 = 46,771.68 : x - Step 2: Convert to fraction form
86,515.68/119,391.24 = 46,771.68/x - Step 3: Cross multiply
86,515.68x = 119,391.24 × 46,771.68 - Step 4: Simplify right side
86,515.68x = 5,584,128,872.08 - Step 5: Solve for x
x = 5,584,128,872.08/86,515.68 - Step 6: Final answer
x = 64,544.70
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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.