Finding the Fourth Proportional to 107,963.08, 161,926.26 and 29,059.72
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Solution
The fourth proportional to 107,963.08, 161,926.26 and 29,059.72 is: 43,584.64
Step by Step Solution
- Step 1: Write the proportion equation
107,963.08 : 161,926.26 = 29,059.72 : x - Step 2: Convert to fraction form
107,963.08/161,926.26 = 29,059.72/x - Step 3: Cross multiply
107,963.08x = 161,926.26 × 29,059.72 - Step 4: Simplify right side
107,963.08x = 4,705,531,776.25 - Step 5: Solve for x
x = 4,705,531,776.25/107,963.08 - Step 6: Final answer
x = 43,584.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.