Finding the Fourth Proportional to 107,855.16, 161,789.64 and 32,977.98
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Solution
The fourth proportional to 107,855.16, 161,789.64 and 32,977.98 is: 49,469.08
Step by Step Solution
- Step 1: Write the proportion equation
107,855.16 : 161,789.64 = 32,977.98 : x - Step 2: Convert to fraction form
107,855.16/161,789.64 = 32,977.98/x - Step 3: Cross multiply
107,855.16x = 161,789.64 × 32,977.98 - Step 4: Simplify right side
107,855.16x = 5,335,495,512.13 - Step 5: Solve for x
x = 5,335,495,512.13/107,855.16 - Step 6: Final answer
x = 49,469.08
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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.