Finding the Fourth Proportional to 77,558.99, 116,344.85 and 33,186.20
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Solution
The fourth proportional to 77,558.99, 116,344.85 and 33,186.20 is: 49,782.02
Step by Step Solution
- Step 1: Write the proportion equation
77,558.99 : 116,344.85 = 33,186.20 : x - Step 2: Convert to fraction form
77,558.99/116,344.85 = 33,186.20/x - Step 3: Cross multiply
77,558.99x = 116,344.85 × 33,186.20 - Step 4: Simplify right side
77,558.99x = 3,861,042,713.41 - Step 5: Solve for x
x = 3,861,042,713.41/77,558.99 - Step 6: Final answer
x = 49,782.02
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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.