Finding the Fourth Proportional to 76,884.06, 115,291.46 and 32,487.96
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Solution
The fourth proportional to 76,884.06, 115,291.46 and 32,487.96 is: 48,717.31
Step by Step Solution
- Step 1: Write the proportion equation
76,884.06 : 115,291.46 = 32,487.96 : x - Step 2: Convert to fraction form
76,884.06/115,291.46 = 32,487.96/x - Step 3: Cross multiply
76,884.06x = 115,291.46 × 32,487.96 - Step 4: Simplify right side
76,884.06x = 3,745,584,340.82 - Step 5: Solve for x
x = 3,745,584,340.82/76,884.06 - Step 6: Final answer
x = 48,717.31
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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.