Finding the Fourth Proportional to 75,439.99, 113,184.55 and 35,992.00
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Solution
The fourth proportional to 75,439.99, 113,184.55 and 35,992.00 is: 53,999.72
Step by Step Solution
- Step 1: Write the proportion equation
75,439.99 : 113,184.55 = 35,992.00 : x - Step 2: Convert to fraction form
75,439.99/113,184.55 = 35,992.00/x - Step 3: Cross multiply
75,439.99x = 113,184.55 × 35,992.00 - Step 4: Simplify right side
75,439.99x = 4,073,737,757.68 - Step 5: Solve for x
x = 4,073,737,757.68/75,439.99 - Step 6: Final answer
x = 53,999.72
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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.