Finding the Fourth Proportional to 72,044.07, 108,071.57 and 19,452.79
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Solution
The fourth proportional to 72,044.07, 108,071.57 and 19,452.79 is: 29,180.66
Step by Step Solution
- Step 1: Write the proportion equation
72,044.07 : 108,071.57 = 19,452.79 : x - Step 2: Convert to fraction form
72,044.07/108,071.57 = 19,452.79/x - Step 3: Cross multiply
72,044.07x = 108,071.57 × 19,452.79 - Step 4: Simplify right side
72,044.07x = 2,102,293,556.18 - Step 5: Solve for x
x = 2,102,293,556.18/72,044.07 - Step 6: Final answer
x = 29,180.66
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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.