Finding the Fourth Proportional to 77,293.36, 106,668.80 and 43,299.80
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Solution
The fourth proportional to 77,293.36, 106,668.80 and 43,299.80 is: 59,755.94
Step by Step Solution
- Step 1: Write the proportion equation
77,293.36 : 106,668.80 = 43,299.80 : x - Step 2: Convert to fraction form
77,293.36/106,668.80 = 43,299.80/x - Step 3: Cross multiply
77,293.36x = 106,668.80 × 43,299.80 - Step 4: Simplify right side
77,293.36x = 4,618,737,706.24 - Step 5: Solve for x
x = 4,618,737,706.24/77,293.36 - Step 6: Final answer
x = 59,755.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.