Finding the Fourth Proportional to 66,881.97, 100,286.69 and 29,398.19
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Solution
The fourth proportional to 66,881.97, 100,286.69 and 29,398.19 is: 44,081.33
Step by Step Solution
- Step 1: Write the proportion equation
66,881.97 : 100,286.69 = 29,398.19 : x - Step 2: Convert to fraction form
66,881.97/100,286.69 = 29,398.19/x - Step 3: Cross multiply
66,881.97x = 100,286.69 × 29,398.19 - Step 4: Simplify right side
66,881.97x = 2,948,246,518.67 - Step 5: Solve for x
x = 2,948,246,518.67/66,881.97 - Step 6: Final answer
x = 44,081.33
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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.