Finding the Fourth Proportional to 66,717.68, 100,065.35 and 29,267.70
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Solution
The fourth proportional to 66,717.68, 100,065.35 and 29,267.70 is: 43,896.65
Step by Step Solution
- Step 1: Write the proportion equation
66,717.68 : 100,065.35 = 29,267.70 : x - Step 2: Convert to fraction form
66,717.68/100,065.35 = 29,267.70/x - Step 3: Cross multiply
66,717.68x = 100,065.35 × 29,267.70 - Step 4: Simplify right side
66,717.68x = 2,928,682,470.88 - Step 5: Solve for x
x = 2,928,682,470.88/66,717.68 - Step 6: Final answer
x = 43,896.65
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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.