Finding the Fourth Proportional to 77,635.52, 107,137.44 and 44,102.72
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Solution
The fourth proportional to 77,635.52, 107,137.44 and 44,102.72 is: 60,861.99
Step by Step Solution
- Step 1: Write the proportion equation
77,635.52 : 107,137.44 = 44,102.72 : x - Step 2: Convert to fraction form
77,635.52/107,137.44 = 44,102.72/x - Step 3: Cross multiply
77,635.52x = 107,137.44 × 44,102.72 - Step 4: Simplify right side
77,635.52x = 4,725,052,517.84 - Step 5: Solve for x
x = 4,725,052,517.84/77,635.52 - Step 6: Final answer
x = 60,861.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.