Finding the Fourth Proportional to 87,597.92, 120,758.64 and 62,403.68
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Solution
The fourth proportional to 87,597.92, 120,758.64 and 62,403.68 is: 86,026.97
Step by Step Solution
- Step 1: Write the proportion equation
87,597.92 : 120,758.64 = 62,403.68 : x - Step 2: Convert to fraction form
87,597.92/120,758.64 = 62,403.68/x - Step 3: Cross multiply
87,597.92x = 120,758.64 × 62,403.68 - Step 4: Simplify right side
87,597.92x = 7,535,783,527.80 - Step 5: Solve for x
x = 7,535,783,527.80/87,597.92 - Step 6: Final answer
x = 86,026.97
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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.