Finding the Fourth Proportional to 95,787.46, 132,190.80 and 53,345.99
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Solution
The fourth proportional to 95,787.46, 132,190.80 and 53,345.99 is: 73,619.75
Step by Step Solution
- Step 1: Write the proportion equation
95,787.46 : 132,190.80 = 53,345.99 : x - Step 2: Convert to fraction form
95,787.46/132,190.80 = 53,345.99/x - Step 3: Cross multiply
95,787.46x = 132,190.80 × 53,345.99 - Step 4: Simplify right side
95,787.46x = 7,051,848,828.16 - Step 5: Solve for x
x = 7,051,848,828.16/95,787.46 - Step 6: Final answer
x = 73,619.75
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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.