Finding the Fourth Proportional to 92,304.07, 138,745.12 and 60,915.84
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Solution
The fourth proportional to 92,304.07, 138,745.12 and 60,915.84 is: 91,564.49
Step by Step Solution
- Step 1: Write the proportion equation
92,304.07 : 138,745.12 = 60,915.84 : x - Step 2: Convert to fraction form
92,304.07/138,745.12 = 60,915.84/x - Step 3: Cross multiply
92,304.07x = 138,745.12 × 60,915.84 - Step 4: Simplify right side
92,304.07x = 8,451,774,879.26 - Step 5: Solve for x
x = 8,451,774,879.26/92,304.07 - Step 6: Final answer
x = 91,564.49
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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.