Finding the Fourth Proportional to 75,504.68, 113,179.26 and 40,434.92
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Solution
The fourth proportional to 75,504.68, 113,179.26 and 40,434.92 is: 60,610.74
Step by Step Solution
- Step 1: Write the proportion equation
75,504.68 : 113,179.26 = 40,434.92 : x - Step 2: Convert to fraction form
75,504.68/113,179.26 = 40,434.92/x - Step 3: Cross multiply
75,504.68x = 113,179.26 × 40,434.92 - Step 4: Simplify right side
75,504.68x = 4,576,394,323.76 - Step 5: Solve for x
x = 4,576,394,323.76/75,504.68 - Step 6: Final answer
x = 60,610.74
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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.