Finding the Fourth Proportional to 88,672.68, 122,371.25 and 48,388.65
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Solution
The fourth proportional to 88,672.68, 122,371.25 and 48,388.65 is: 66,777.95
Step by Step Solution
- Step 1: Write the proportion equation
88,672.68 : 122,371.25 = 48,388.65 : x - Step 2: Convert to fraction form
88,672.68/122,371.25 = 48,388.65/x - Step 3: Cross multiply
88,672.68x = 122,371.25 × 48,388.65 - Step 4: Simplify right side
88,672.68x = 5,921,379,586.31 - Step 5: Solve for x
x = 5,921,379,586.31/88,672.68 - Step 6: Final answer
x = 66,777.95
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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.