Finding the Fourth Proportional to 67,576.37, 101,378.86 and 20,195.15
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Solution
The fourth proportional to 67,576.37, 101,378.86 and 20,195.15 is: 30,296.99
Step by Step Solution
- Step 1: Write the proportion equation
67,576.37 : 101,378.86 = 20,195.15 : x - Step 2: Convert to fraction form
67,576.37/101,378.86 = 20,195.15/x - Step 3: Cross multiply
67,576.37x = 101,378.86 × 20,195.15 - Step 4: Simplify right side
67,576.37x = 2,047,360,727.15 - Step 5: Solve for x
x = 2,047,360,727.15/67,576.37 - Step 6: Final answer
x = 30,296.99
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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.