Finding the Fourth Proportional to 86,460.75, 119,315.84 and 46,716.75
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Solution
The fourth proportional to 86,460.75, 119,315.84 and 46,716.75 is: 64,469.12
Step by Step Solution
- Step 1: Write the proportion equation
86,460.75 : 119,315.84 = 46,716.75 : x - Step 2: Convert to fraction form
86,460.75/119,315.84 = 46,716.75/x - Step 3: Cross multiply
86,460.75x = 119,315.84 × 46,716.75 - Step 4: Simplify right side
86,460.75x = 5,574,048,034.74 - Step 5: Solve for x
x = 5,574,048,034.74/86,460.75 - Step 6: Final answer
x = 64,469.12
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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.