Finding the Fourth Proportional to 107,879.04, 161,840.16 and 41,316.48
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Solution
The fourth proportional to 107,879.04, 161,840.16 and 41,316.48 is: 61,982.99
Step by Step Solution
- Step 1: Write the proportion equation
107,879.04 : 161,840.16 = 41,316.48 : x - Step 2: Convert to fraction form
107,879.04/161,840.16 = 41,316.48/x - Step 3: Cross multiply
107,879.04x = 161,840.16 × 41,316.48 - Step 4: Simplify right side
107,879.04x = 6,686,665,733.84 - Step 5: Solve for x
x = 6,686,665,733.84/107,879.04 - Step 6: Final answer
x = 61,982.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.