Finding the Fourth Proportional to 87,125.49, 120,232.62 and 48,362.90
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Solution
The fourth proportional to 87,125.49, 120,232.62 and 48,362.90 is: 66,740.49
Step by Step Solution
- Step 1: Write the proportion equation
87,125.49 : 120,232.62 = 48,362.90 : x - Step 2: Convert to fraction form
87,125.49/120,232.62 = 48,362.90/x - Step 3: Cross multiply
87,125.49x = 120,232.62 × 48,362.90 - Step 4: Simplify right side
87,125.49x = 5,814,797,576.63 - Step 5: Solve for x
x = 5,814,797,576.63/87,125.49 - Step 6: Final answer
x = 66,740.49
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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.