Finding the Fourth Proportional to 67,039.11, 100,558.10 and 27,057.48
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Solution
The fourth proportional to 67,039.11, 100,558.10 and 27,057.48 is: 40,585.99
Step by Step Solution
- Step 1: Write the proportion equation
67,039.11 : 100,558.10 = 27,057.48 : x - Step 2: Convert to fraction form
67,039.11/100,558.10 = 27,057.48/x - Step 3: Cross multiply
67,039.11x = 100,558.10 × 27,057.48 - Step 4: Simplify right side
67,039.11x = 2,720,848,779.59 - Step 5: Solve for x
x = 2,720,848,779.59/67,039.11 - Step 6: Final answer
x = 40,585.99
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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.