Finding the Fourth Proportional to 86,734.26, 119,693.48 and 48,495.17
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Solution
The fourth proportional to 86,734.26, 119,693.48 and 48,495.17 is: 66,923.45
Step by Step Solution
- Step 1: Write the proportion equation
86,734.26 : 119,693.48 = 48,495.17 : x - Step 2: Convert to fraction form
86,734.26/119,693.48 = 48,495.17/x - Step 3: Cross multiply
86,734.26x = 119,693.48 × 48,495.17 - Step 4: Simplify right side
86,734.26x = 5,804,555,717.25 - Step 5: Solve for x
x = 5,804,555,717.25/86,734.26 - Step 6: Final answer
x = 66,923.45
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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.