Finding the Fourth Proportional to 68,897.21, 103,249.58 and 37,239.03
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Solution
The fourth proportional to 68,897.21, 103,249.58 and 37,239.03 is: 55,806.53
Step by Step Solution
- Step 1: Write the proportion equation
68,897.21 : 103,249.58 = 37,239.03 : x - Step 2: Convert to fraction form
68,897.21/103,249.58 = 37,239.03/x - Step 3: Cross multiply
68,897.21x = 103,249.58 × 37,239.03 - Step 4: Simplify right side
68,897.21x = 3,844,914,020.91 - Step 5: Solve for x
x = 3,844,914,020.91/68,897.21 - Step 6: Final answer
x = 55,806.53
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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.