Finding the Fourth Proportional to 87,827.73, 121,202.33 and 47,541.82
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Solution
The fourth proportional to 87,827.73, 121,202.33 and 47,541.82 is: 65,607.75
Step by Step Solution
- Step 1: Write the proportion equation
87,827.73 : 121,202.33 = 47,541.82 : x - Step 2: Convert to fraction form
87,827.73/121,202.33 = 47,541.82/x - Step 3: Cross multiply
87,827.73x = 121,202.33 × 47,541.82 - Step 4: Simplify right side
87,827.73x = 5,762,179,554.30 - Step 5: Solve for x
x = 5,762,179,554.30/87,827.73 - Step 6: Final answer
x = 65,607.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.