Finding the Fourth Proportional to 95,507.70, 131,816.86 and 55,245.94
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Solution
The fourth proportional to 95,507.70, 131,816.86 and 55,245.94 is: 76,248.79
Step by Step Solution
- Step 1: Write the proportion equation
95,507.70 : 131,816.86 = 55,245.94 : x - Step 2: Convert to fraction form
95,507.70/131,816.86 = 55,245.94/x - Step 3: Cross multiply
95,507.70x = 131,816.86 × 55,245.94 - Step 4: Simplify right side
95,507.70x = 7,282,346,338.55 - Step 5: Solve for x
x = 7,282,346,338.55/95,507.70 - Step 6: Final answer
x = 76,248.79
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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.