Finding the Fourth Proportional to 84,284.04, 116,315.49 and 48,474.09
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Solution
The fourth proportional to 84,284.04, 116,315.49 and 48,474.09 is: 66,896.27
Step by Step Solution
- Step 1: Write the proportion equation
84,284.04 : 116,315.49 = 48,474.09 : x - Step 2: Convert to fraction form
84,284.04/116,315.49 = 48,474.09/x - Step 3: Cross multiply
84,284.04x = 116,315.49 × 48,474.09 - Step 4: Simplify right side
84,284.04x = 5,638,287,530.65 - Step 5: Solve for x
x = 5,638,287,530.65/84,284.04 - Step 6: Final answer
x = 66,896.27
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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.