Finding the Fourth Proportional to 76,940.46, 115,399.12 and 24,343.10
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Solution
The fourth proportional to 76,940.46, 115,399.12 and 24,343.10 is: 36,510.99
Step by Step Solution
- Step 1: Write the proportion equation
76,940.46 : 115,399.12 = 24,343.10 : x - Step 2: Convert to fraction form
76,940.46/115,399.12 = 24,343.10/x - Step 3: Cross multiply
76,940.46x = 115,399.12 × 24,343.10 - Step 4: Simplify right side
76,940.46x = 2,809,172,318.07 - Step 5: Solve for x
x = 2,809,172,318.07/76,940.46 - Step 6: Final answer
x = 36,510.99
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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.