Finding the Fourth Proportional to 107,761.52, 161,675.84 and 55,207.92
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Solution
The fourth proportional to 107,761.52, 161,675.84 and 55,207.92 is: 82,829.07
Step by Step Solution
- Step 1: Write the proportion equation
107,761.52 : 161,675.84 = 55,207.92 : x - Step 2: Convert to fraction form
107,761.52/161,675.84 = 55,207.92/x - Step 3: Cross multiply
107,761.52x = 161,675.84 × 55,207.92 - Step 4: Simplify right side
107,761.52x = 8,925,786,840.65 - Step 5: Solve for x
x = 8,925,786,840.65/107,761.52 - Step 6: Final answer
x = 82,829.07
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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.