Finding the Fourth Proportional to 67,220.99, 100,776.40 and 27,806.39
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Solution
The fourth proportional to 67,220.99, 100,776.40 and 27,806.39 is: 41,686.80
Step by Step Solution
- Step 1: Write the proportion equation
67,220.99 : 100,776.40 = 27,806.39 : x - Step 2: Convert to fraction form
67,220.99/100,776.40 = 27,806.39/x - Step 3: Cross multiply
67,220.99x = 100,776.40 × 27,806.39 - Step 4: Simplify right side
67,220.99x = 2,802,227,881.20 - Step 5: Solve for x
x = 2,802,227,881.20/67,220.99 - Step 6: Final answer
x = 41,686.80
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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.