Finding the Fourth Proportional to 95,437.68, 131,716.08 and 57,711.84
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Solution
The fourth proportional to 95,437.68, 131,716.08 and 57,711.84 is: 79,649.65
Step by Step Solution
- Step 1: Write the proportion equation
95,437.68 : 131,716.08 = 57,711.84 : x - Step 2: Convert to fraction form
95,437.68/131,716.08 = 57,711.84/x - Step 3: Cross multiply
95,437.68x = 131,716.08 × 57,711.84 - Step 4: Simplify right side
95,437.68x = 7,601,577,334.39 - Step 5: Solve for x
x = 7,601,577,334.39/95,437.68 - Step 6: Final answer
x = 79,649.65
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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.