Finding the Fourth Proportional to 107,887.92, 161,883.24 and 48,741.68
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Solution
The fourth proportional to 107,887.92, 161,883.24 and 48,741.68 is: 73,135.72
Step by Step Solution
- Step 1: Write the proportion equation
107,887.92 : 161,883.24 = 48,741.68 : x - Step 2: Convert to fraction form
107,887.92/161,883.24 = 48,741.68/x - Step 3: Cross multiply
107,887.92x = 161,883.24 × 48,741.68 - Step 4: Simplify right side
107,887.92x = 7,890,461,081.44 - Step 5: Solve for x
x = 7,890,461,081.44/107,887.92 - Step 6: Final answer
x = 73,135.72
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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.