Finding the Fourth Proportional to 84,438.48, 116,518.68 and 46,711.92
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Solution
The fourth proportional to 84,438.48, 116,518.68 and 46,711.92 is: 64,458.90
Step by Step Solution
- Step 1: Write the proportion equation
84,438.48 : 116,518.68 = 46,711.92 : x - Step 2: Convert to fraction form
84,438.48/116,518.68 = 46,711.92/x - Step 3: Cross multiply
84,438.48x = 116,518.68 × 46,711.92 - Step 4: Simplify right side
84,438.48x = 5,442,811,258.67 - Step 5: Solve for x
x = 5,442,811,258.67/84,438.48 - Step 6: Final answer
x = 64,458.90
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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.