Finding the Fourth Proportional to 84,201.12, 116,193.60 and 48,365.92
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Solution
The fourth proportional to 84,201.12, 116,193.60 and 48,365.92 is: 66,742.70
Step by Step Solution
- Step 1: Write the proportion equation
84,201.12 : 116,193.60 = 48,365.92 : x - Step 2: Convert to fraction form
84,201.12/116,193.60 = 48,365.92/x - Step 3: Cross multiply
84,201.12x = 116,193.60 × 48,365.92 - Step 4: Simplify right side
84,201.12x = 5,619,810,362.11 - Step 5: Solve for x
x = 5,619,810,362.11/84,201.12 - Step 6: Final answer
x = 66,742.70
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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.