Finding the Fourth Proportional to 79,718.37, 119,431.73 and 37,633.23
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Solution
The fourth proportional to 79,718.37, 119,431.73 and 37,633.23 is: 56,381.00
Step by Step Solution
- Step 1: Write the proportion equation
79,718.37 : 119,431.73 = 37,633.23 : x - Step 2: Convert to fraction form
79,718.37/119,431.73 = 37,633.23/x - Step 3: Cross multiply
79,718.37x = 119,431.73 × 37,633.23 - Step 4: Simplify right side
79,718.37x = 4,494,601,576.22 - Step 5: Solve for x
x = 4,494,601,576.22/79,718.37 - Step 6: Final answer
x = 56,381.00
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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.