Finding the Fourth Proportional to 97,171.68, 145,761.36 and 27,057.12
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Solution
The fourth proportional to 97,171.68, 145,761.36 and 27,057.12 is: 40,586.75
Step by Step Solution
- Step 1: Write the proportion equation
97,171.68 : 145,761.36 = 27,057.12 : x - Step 2: Convert to fraction form
97,171.68/145,761.36 = 27,057.12/x - Step 3: Cross multiply
97,171.68x = 145,761.36 × 27,057.12 - Step 4: Simplify right side
97,171.68x = 3,943,882,608.88 - Step 5: Solve for x
x = 3,943,882,608.88/97,171.68 - Step 6: Final answer
x = 40,586.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.