Finding the Fourth Proportional to 89,742.08, 134,616.96 and 33,576.96
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Solution
The fourth proportional to 89,742.08, 134,616.96 and 33,576.96 is: 50,366.88
Step by Step Solution
- Step 1: Write the proportion equation
89,742.08 : 134,616.96 = 33,576.96 : x - Step 2: Convert to fraction form
89,742.08/134,616.96 = 33,576.96/x - Step 3: Cross multiply
89,742.08x = 134,616.96 × 33,576.96 - Step 4: Simplify right side
89,742.08x = 4,520,028,281.24 - Step 5: Solve for x
x = 4,520,028,281.24/89,742.08 - Step 6: Final answer
x = 50,366.88
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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.