Finding the Fourth Proportional to 75,559.81, 104,266.11 and 43,730.68
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Solution
The fourth proportional to 75,559.81, 104,266.11 and 43,730.68 is: 60,344.62
Step by Step Solution
- Step 1: Write the proportion equation
75,559.81 : 104,266.11 = 43,730.68 : x - Step 2: Convert to fraction form
75,559.81/104,266.11 = 43,730.68/x - Step 3: Cross multiply
75,559.81x = 104,266.11 × 43,730.68 - Step 4: Simplify right side
75,559.81x = 4,559,627,891.25 - Step 5: Solve for x
x = 4,559,627,891.25/75,559.81 - Step 6: Final answer
x = 60,344.62
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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.