Finding the Fourth Proportional to 92,120.94, 127,107.81 and 53,873.06
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Solution
The fourth proportional to 92,120.94, 127,107.81 and 53,873.06 is: 74,333.65
Step by Step Solution
- Step 1: Write the proportion equation
92,120.94 : 127,107.81 = 53,873.06 : x - Step 2: Convert to fraction form
92,120.94/127,107.81 = 53,873.06/x - Step 3: Cross multiply
92,120.94x = 127,107.81 × 53,873.06 - Step 4: Simplify right side
92,120.94x = 6,847,686,039.06 - Step 5: Solve for x
x = 6,847,686,039.06/92,120.94 - Step 6: Final answer
x = 74,333.65
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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.