Finding the Fourth Proportional to 75,571.92, 113,353.29 and 28,177.81
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Solution
The fourth proportional to 75,571.92, 113,353.29 and 28,177.81 is: 42,265.00
Step by Step Solution
- Step 1: Write the proportion equation
75,571.92 : 113,353.29 = 28,177.81 : x - Step 2: Convert to fraction form
75,571.92/113,353.29 = 28,177.81/x - Step 3: Cross multiply
75,571.92x = 113,353.29 × 28,177.81 - Step 4: Simplify right side
75,571.92x = 3,194,047,185.11 - Step 5: Solve for x
x = 3,194,047,185.11/75,571.92 - Step 6: Final answer
x = 42,265.00
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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.