Finding the Fourth Proportional to 75,414.99, 113,127.99 and 25,478.49
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Solution
The fourth proportional to 75,414.99, 113,127.99 and 25,478.49 is: 38,219.59
Step by Step Solution
- Step 1: Write the proportion equation
75,414.99 : 113,127.99 = 25,478.49 : x - Step 2: Convert to fraction form
75,414.99/113,127.99 = 25,478.49/x - Step 3: Cross multiply
75,414.99x = 113,127.99 × 25,478.49 - Step 4: Simplify right side
75,414.99x = 2,882,330,361.94 - Step 5: Solve for x
x = 2,882,330,361.94/75,414.99 - Step 6: Final answer
x = 38,219.59
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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.