Finding the Fourth Proportional to 81,893.74, 122,586.36 and 44,360.62
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Solution
The fourth proportional to 81,893.74, 122,586.36 and 44,360.62 is: 66,403.21
Step by Step Solution
- Step 1: Write the proportion equation
81,893.74 : 122,586.36 = 44,360.62 : x - Step 2: Convert to fraction form
81,893.74/122,586.36 = 44,360.62/x - Step 3: Cross multiply
81,893.74x = 122,586.36 × 44,360.62 - Step 4: Simplify right side
81,893.74x = 5,438,006,933.14 - Step 5: Solve for x
x = 5,438,006,933.14/81,893.74 - Step 6: Final answer
x = 66,403.21
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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.