Finding the Fourth Proportional to 89,107.68, 122,968.56 and 48,822.96
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Solution
The fourth proportional to 89,107.68, 122,968.56 and 48,822.96 is: 67,375.66
Step by Step Solution
- Step 1: Write the proportion equation
89,107.68 : 122,968.56 = 48,822.96 : x - Step 2: Convert to fraction form
89,107.68/122,968.56 = 48,822.96/x - Step 3: Cross multiply
89,107.68x = 122,968.56 × 48,822.96 - Step 4: Simplify right side
89,107.68x = 6,003,689,086.14 - Step 5: Solve for x
x = 6,003,689,086.14/89,107.68 - Step 6: Final answer
x = 67,375.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.