Finding the Fourth Proportional to 95,790.74, 132,191.19 and 55,527.88
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Solution
The fourth proportional to 95,790.74, 132,191.19 and 55,527.88 is: 76,628.45
Step by Step Solution
- Step 1: Write the proportion equation
95,790.74 : 132,191.19 = 55,527.88 : x - Step 2: Convert to fraction form
95,790.74/132,191.19 = 55,527.88/x - Step 3: Cross multiply
95,790.74x = 132,191.19 × 55,527.88 - Step 4: Simplify right side
95,790.74x = 7,340,296,413.13 - Step 5: Solve for x
x = 7,340,296,413.13/95,790.74 - Step 6: Final answer
x = 76,628.45
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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.