Finding the Fourth Proportional to 84,865.23, 117,115.88 and 49,056.75
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Solution
The fourth proportional to 84,865.23, 117,115.88 and 49,056.75 is: 67,699.39
Step by Step Solution
- Step 1: Write the proportion equation
84,865.23 : 117,115.88 = 49,056.75 : x - Step 2: Convert to fraction form
84,865.23/117,115.88 = 49,056.75/x - Step 3: Cross multiply
84,865.23x = 117,115.88 × 49,056.75 - Step 4: Simplify right side
84,865.23x = 5,745,324,200.91 - Step 5: Solve for x
x = 5,745,324,200.91/84,865.23 - Step 6: Final answer
x = 67,699.39
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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.