Finding the Fourth Proportional to 71,376.97, 107,066.21 and 29,246.23
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Solution
The fourth proportional to 71,376.97, 107,066.21 and 29,246.23 is: 43,869.65
Step by Step Solution
- Step 1: Write the proportion equation
71,376.97 : 107,066.21 = 29,246.23 : x - Step 2: Convert to fraction form
71,376.97/107,066.21 = 29,246.23/x - Step 3: Cross multiply
71,376.97x = 107,066.21 × 29,246.23 - Step 4: Simplify right side
71,376.97x = 3,131,283,002.89 - Step 5: Solve for x
x = 3,131,283,002.89/71,376.97 - Step 6: Final answer
x = 43,869.65
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1.5x scale
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.