Finding the Fourth Proportional to 89,548.74, 134,313.99 and 30,382.98
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Solution
The fourth proportional to 89,548.74, 134,313.99 and 30,382.98 is: 45,571.38
Step by Step Solution
- Step 1: Write the proportion equation
89,548.74 : 134,313.99 = 30,382.98 : x - Step 2: Convert to fraction form
89,548.74/134,313.99 = 30,382.98/x - Step 3: Cross multiply
89,548.74x = 134,313.99 × 30,382.98 - Step 4: Simplify right side
89,548.74x = 4,080,859,271.89 - Step 5: Solve for x
x = 4,080,859,271.89/89,548.74 - Step 6: Final answer
x = 45,571.38
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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.