Finding the Fourth Proportional to 89,889.44, 134,829.12 and 27,559.76
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Solution
The fourth proportional to 89,889.44, 134,829.12 and 27,559.76 is: 41,338.09
Step by Step Solution
- Step 1: Write the proportion equation
89,889.44 : 134,829.12 = 27,559.76 : x - Step 2: Convert to fraction form
89,889.44/134,829.12 = 27,559.76/x - Step 3: Cross multiply
89,889.44x = 134,829.12 × 27,559.76 - Step 4: Simplify right side
89,889.44x = 3,715,858,188.21 - Step 5: Solve for x
x = 3,715,858,188.21/89,889.44 - Step 6: Final answer
x = 41,338.09
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1.5x scale
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.