Finding the Fourth Proportional to 68,046.68, 102,090.78 and 34,790.09
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Solution
The fourth proportional to 68,046.68, 102,090.78 and 34,790.09 is: 52,195.75
Step by Step Solution
- Step 1: Write the proportion equation
68,046.68 : 102,090.78 = 34,790.09 : x - Step 2: Convert to fraction form
68,046.68/102,090.78 = 34,790.09/x - Step 3: Cross multiply
68,046.68x = 102,090.78 × 34,790.09 - Step 4: Simplify right side
68,046.68x = 3,551,747,918.87 - Step 5: Solve for x
x = 3,551,747,918.87/68,046.68 - Step 6: Final answer
x = 52,195.75
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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.