Finding the Fourth Proportional to 66,775.01, 100,162.21 and 27,332.13
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Solution
The fourth proportional to 66,775.01, 100,162.21 and 27,332.13 is: 40,998.07
Step by Step Solution
- Step 1: Write the proportion equation
66,775.01 : 100,162.21 = 27,332.13 : x - Step 2: Convert to fraction form
66,775.01/100,162.21 = 27,332.13/x - Step 3: Cross multiply
66,775.01x = 100,162.21 × 27,332.13 - Step 4: Simplify right side
66,775.01x = 2,737,646,544.81 - Step 5: Solve for x
x = 2,737,646,544.81/66,775.01 - Step 6: Final answer
x = 40,998.07
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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.