Finding the Fourth Proportional to 125,287.26, 172,897.11 and 67,927.02
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Solution
The fourth proportional to 125,287.26, 172,897.11 and 67,927.02 is: 93,739.66
Step by Step Solution
- Step 1: Write the proportion equation
125,287.26 : 172,897.11 = 67,927.02 : x - Step 2: Convert to fraction form
125,287.26/172,897.11 = 67,927.02/x - Step 3: Cross multiply
125,287.26x = 172,897.11 × 67,927.02 - Step 4: Simplify right side
125,287.26x = 11,744,385,448.91 - Step 5: Solve for x
x = 11,744,385,448.91/125,287.26 - Step 6: Final answer
x = 93,739.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.