Finding the Fourth Proportional to 95,163.36, 131,343.80 and 54,903.12
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Solution
The fourth proportional to 95,163.36, 131,343.80 and 54,903.12 is: 75,776.90
Step by Step Solution
- Step 1: Write the proportion equation
95,163.36 : 131,343.80 = 54,903.12 : x - Step 2: Convert to fraction form
95,163.36/131,343.80 = 54,903.12/x - Step 3: Cross multiply
95,163.36x = 131,343.80 × 54,903.12 - Step 4: Simplify right side
95,163.36x = 7,211,184,412.66 - Step 5: Solve for x
x = 7,211,184,412.66/95,163.36 - Step 6: Final answer
x = 75,776.90
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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.