Finding the Fourth Proportional to 117,129.24, 175,690.62 and 32,890.05
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Solution
The fourth proportional to 117,129.24, 175,690.62 and 32,890.05 is: 49,334.17
Step by Step Solution
- Step 1: Write the proportion equation
117,129.24 : 175,690.62 = 32,890.05 : x - Step 2: Convert to fraction form
117,129.24/175,690.62 = 32,890.05/x - Step 3: Cross multiply
117,129.24x = 175,690.62 × 32,890.05 - Step 4: Simplify right side
117,129.24x = 5,778,473,276.33 - Step 5: Solve for x
x = 5,778,473,276.33/117,129.24 - Step 6: Final answer
x = 49,334.17
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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.