Finding the Fourth Proportional to 86,044.26, 118,675.26 and 75,415.44
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Solution
The fourth proportional to 86,044.26, 118,675.26 and 75,415.44 is: 104,015.62
Step by Step Solution
- Step 1: Write the proportion equation
86,044.26 : 118,675.26 = 75,415.44 : x - Step 2: Convert to fraction form
86,044.26/118,675.26 = 75,415.44/x - Step 3: Cross multiply
86,044.26x = 118,675.26 × 75,415.44 - Step 4: Simplify right side
86,044.26x = 8,949,946,950.01 - Step 5: Solve for x
x = 8,949,946,950.01/86,044.26 - Step 6: Final answer
x = 104,015.62
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1.5x scale
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.