Finding the Fourth Proportional to 75,376.26, 112,917.39 and 41,995.80
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Solution
The fourth proportional to 75,376.26, 112,917.39 and 41,995.80 is: 62,911.80
Step by Step Solution
- Step 1: Write the proportion equation
75,376.26 : 112,917.39 = 41,995.80 : x - Step 2: Convert to fraction form
75,376.26/112,917.39 = 41,995.80/x - Step 3: Cross multiply
75,376.26x = 112,917.39 × 41,995.80 - Step 4: Simplify right side
75,376.26x = 4,742,056,126.96 - Step 5: Solve for x
x = 4,742,056,126.96/75,376.26 - Step 6: Final answer
x = 62,911.80
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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.