Finding the Fourth Proportional to 75,814.13, 104,589.68 and 43,964.57
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Solution
The fourth proportional to 75,814.13, 104,589.68 and 43,964.57 is: 60,651.50
Step by Step Solution
- Step 1: Write the proportion equation
75,814.13 : 104,589.68 = 43,964.57 : x - Step 2: Convert to fraction form
75,814.13/104,589.68 = 43,964.57/x - Step 3: Cross multiply
75,814.13x = 104,589.68 × 43,964.57 - Step 4: Simplify right side
75,814.13x = 4,598,240,596.59 - Step 5: Solve for x
x = 4,598,240,596.59/75,814.13 - Step 6: Final answer
x = 60,651.50
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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.