Finding the Fourth Proportional to 117,476.33, 162,115.66 and 63,759.96
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Solution
The fourth proportional to 117,476.33, 162,115.66 and 63,759.96 is: 87,987.84
Step by Step Solution
- Step 1: Write the proportion equation
117,476.33 : 162,115.66 = 63,759.96 : x - Step 2: Convert to fraction form
117,476.33/162,115.66 = 63,759.96/x - Step 3: Cross multiply
117,476.33x = 162,115.66 × 63,759.96 - Step 4: Simplify right side
117,476.33x = 10,336,487,678.17 - Step 5: Solve for x
x = 10,336,487,678.17/117,476.33 - Step 6: Final answer
x = 87,987.84
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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.