Finding the Fourth Proportional to 75,359.58, 113,035.80 and 27,984.09
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Solution
The fourth proportional to 75,359.58, 113,035.80 and 27,984.09 is: 41,974.81
Step by Step Solution
- Step 1: Write the proportion equation
75,359.58 : 113,035.80 = 27,984.09 : x - Step 2: Convert to fraction form
75,359.58/113,035.80 = 27,984.09/x - Step 3: Cross multiply
75,359.58x = 113,035.80 × 27,984.09 - Step 4: Simplify right side
75,359.58x = 3,163,204,000.42 - Step 5: Solve for x
x = 3,163,204,000.42/75,359.58 - Step 6: Final answer
x = 41,974.81
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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.