Finding the Fourth Proportional to 95,478.11, 131,745.12 and 55,184.09
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Solution
The fourth proportional to 95,478.11, 131,745.12 and 55,184.09 is: 76,145.56
Step by Step Solution
- Step 1: Write the proportion equation
95,478.11 : 131,745.12 = 55,184.09 : x - Step 2: Convert to fraction form
95,478.11/131,745.12 = 55,184.09/x - Step 3: Cross multiply
95,478.11x = 131,745.12 × 55,184.09 - Step 4: Simplify right side
95,478.11x = 7,270,233,693.47 - Step 5: Solve for x
x = 7,270,233,693.47/95,478.11 - Step 6: Final answer
x = 76,145.56
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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.