Finding the Fourth Proportional to 85,472.74, 128,214.58 and 32,882.23
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Solution
The fourth proportional to 85,472.74, 128,214.58 and 32,882.23 is: 49,325.45
Step by Step Solution
- Step 1: Write the proportion equation
85,472.74 : 128,214.58 = 32,882.23 : x - Step 2: Convert to fraction form
85,472.74/128,214.58 = 32,882.23/x - Step 3: Cross multiply
85,472.74x = 128,214.58 × 32,882.23 - Step 4: Simplify right side
85,472.74x = 4,215,981,226.75 - Step 5: Solve for x
x = 4,215,981,226.75/85,472.74 - Step 6: Final answer
x = 49,325.45
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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.