Finding the Fourth Proportional to 83,828.04, 115,680.36 and 46,102.29
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Solution
The fourth proportional to 83,828.04, 115,680.36 and 46,102.29 is: 63,619.88
Step by Step Solution
- Step 1: Write the proportion equation
83,828.04 : 115,680.36 = 46,102.29 : x - Step 2: Convert to fraction form
83,828.04/115,680.36 = 46,102.29/x - Step 3: Cross multiply
83,828.04x = 115,680.36 × 46,102.29 - Step 4: Simplify right side
83,828.04x = 5,333,129,504.02 - Step 5: Solve for x
x = 5,333,129,504.02/83,828.04 - Step 6: Final answer
x = 63,619.88
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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.