Finding the Fourth Proportional to 68,148.63, 102,239.96 and 23,775.75
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Solution
The fourth proportional to 68,148.63, 102,239.96 and 23,775.75 is: 35,669.56
Step by Step Solution
- Step 1: Write the proportion equation
68,148.63 : 102,239.96 = 23,775.75 : x - Step 2: Convert to fraction form
68,148.63/102,239.96 = 23,775.75/x - Step 3: Cross multiply
68,148.63x = 102,239.96 × 23,775.75 - Step 4: Simplify right side
68,148.63x = 2,430,831,610.09 - Step 5: Solve for x
x = 2,430,831,610.09/68,148.63 - Step 6: Final answer
x = 35,669.56
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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.