Finding the Fourth Proportional to 115,774.92, 173,660.48 and 36,888.07
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Solution
The fourth proportional to 115,774.92, 173,660.48 and 36,888.07 is: 55,331.50
Step by Step Solution
- Step 1: Write the proportion equation
115,774.92 : 173,660.48 = 36,888.07 : x - Step 2: Convert to fraction form
115,774.92/173,660.48 = 36,888.07/x - Step 3: Cross multiply
115,774.92x = 173,660.48 × 36,888.07 - Step 4: Simplify right side
115,774.92x = 6,405,999,758.03 - Step 5: Solve for x
x = 6,405,999,758.03/115,774.92 - Step 6: Final answer
x = 55,331.50
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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.