Finding the Fourth Proportional to 117,904.40, 176,745.43 and 58,684.09
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Solution
The fourth proportional to 117,904.40, 176,745.43 and 58,684.09 is: 87,970.79
Step by Step Solution
- Step 1: Write the proportion equation
117,904.40 : 176,745.43 = 58,684.09 : x - Step 2: Convert to fraction form
117,904.40/176,745.43 = 58,684.09/x - Step 3: Cross multiply
117,904.40x = 176,745.43 × 58,684.09 - Step 4: Simplify right side
117,904.40x = 10,372,143,544.06 - Step 5: Solve for x
x = 10,372,143,544.06/117,904.40 - Step 6: Final answer
x = 87,970.79
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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.