Finding the Fourth Proportional to 104,038.78, 156,059.49 and 36,568.09
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Solution
The fourth proportional to 104,038.78, 156,059.49 and 36,568.09 is: 54,852.59
Step by Step Solution
- Step 1: Write the proportion equation
104,038.78 : 156,059.49 = 36,568.09 : x - Step 2: Convert to fraction form
104,038.78/156,059.49 = 36,568.09/x - Step 3: Cross multiply
104,038.78x = 156,059.49 × 36,568.09 - Step 4: Simplify right side
104,038.78x = 5,706,796,512.54 - Step 5: Solve for x
x = 5,706,796,512.54/104,038.78 - Step 6: Final answer
x = 54,852.59
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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.