Finding the Fourth Proportional to 71,812.58, 107,726.36 and 27,476.42
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Solution
The fourth proportional to 71,812.58, 107,726.36 and 27,476.42 is: 41,217.49
Step by Step Solution
- Step 1: Write the proportion equation
71,812.58 : 107,726.36 = 27,476.42 : x - Step 2: Convert to fraction form
71,812.58/107,726.36 = 27,476.42/x - Step 3: Cross multiply
71,812.58x = 107,726.36 × 27,476.42 - Step 4: Simplify right side
71,812.58x = 2,959,934,036.42 - Step 5: Solve for x
x = 2,959,934,036.42/71,812.58 - Step 6: Final answer
x = 41,217.49
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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.