Finding the Fourth Proportional to 83,293.73, 124,940.49 and 27,133.74
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Solution
The fourth proportional to 83,293.73, 124,940.49 and 27,133.74 is: 40,700.58
Step by Step Solution
- Step 1: Write the proportion equation
83,293.73 : 124,940.49 = 27,133.74 : x - Step 2: Convert to fraction form
83,293.73/124,940.49 = 27,133.74/x - Step 3: Cross multiply
83,293.73x = 124,940.49 × 27,133.74 - Step 4: Simplify right side
83,293.73x = 3,390,102,771.13 - Step 5: Solve for x
x = 3,390,102,771.13/83,293.73 - Step 6: Final answer
x = 40,700.58
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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.