Finding the Fourth Proportional to 95,172.71, 131,349.99 and 54,886.46
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Solution
The fourth proportional to 95,172.71, 131,349.99 and 54,886.46 is: 75,750.03
Step by Step Solution
- Step 1: Write the proportion equation
95,172.71 : 131,349.99 = 54,886.46 : x - Step 2: Convert to fraction form
95,172.71/131,349.99 = 54,886.46/x - Step 3: Cross multiply
95,172.71x = 131,349.99 × 54,886.46 - Step 4: Simplify right side
95,172.71x = 7,209,335,315.39 - Step 5: Solve for x
x = 7,209,335,315.39/95,172.71 - Step 6: Final answer
x = 75,750.03
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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.