Finding the Fourth Proportional to 75,709.80, 113,576.70 and 25,794.60
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Solution
The fourth proportional to 75,709.80, 113,576.70 and 25,794.60 is: 38,695.99
Step by Step Solution
- Step 1: Write the proportion equation
75,709.80 : 113,576.70 = 25,794.60 : x - Step 2: Convert to fraction form
75,709.80/113,576.70 = 25,794.60/x - Step 3: Cross multiply
75,709.80x = 113,576.70 × 25,794.60 - Step 4: Simplify right side
75,709.80x = 2,929,665,545.82 - Step 5: Solve for x
x = 2,929,665,545.82/75,709.80 - Step 6: Final answer
x = 38,695.99
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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.