Finding the Fourth Proportional to 76,533.48, 114,715.98 and 32,145.48
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Solution
The fourth proportional to 76,533.48, 114,715.98 and 32,145.48 is: 48,182.84
Step by Step Solution
- Step 1: Write the proportion equation
76,533.48 : 114,715.98 = 32,145.48 : x - Step 2: Convert to fraction form
76,533.48/114,715.98 = 32,145.48/x - Step 3: Cross multiply
76,533.48x = 114,715.98 × 32,145.48 - Step 4: Simplify right side
76,533.48x = 3,687,600,240.77 - Step 5: Solve for x
x = 3,687,600,240.77/76,533.48 - Step 6: Final answer
x = 48,182.84
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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.