Finding the Fourth Proportional to 79,995.36, 120,027.60 and 44,882.40
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Solution
The fourth proportional to 79,995.36, 120,027.60 and 44,882.40 is: 67,342.99
Step by Step Solution
- Step 1: Write the proportion equation
79,995.36 : 120,027.60 = 44,882.40 : x - Step 2: Convert to fraction form
79,995.36/120,027.60 = 44,882.40/x - Step 3: Cross multiply
79,995.36x = 120,027.60 × 44,882.40 - Step 4: Simplify right side
79,995.36x = 5,387,126,754.24 - Step 5: Solve for x
x = 5,387,126,754.24/79,995.36 - Step 6: Final answer
x = 67,342.99
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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.