Finding the Fourth Proportional to 73,566.97, 110,351.47 and 20,976.44
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Solution
The fourth proportional to 73,566.97, 110,351.47 and 20,976.44 is: 31,464.95
Step by Step Solution
- Step 1: Write the proportion equation
73,566.97 : 110,351.47 = 20,976.44 : x - Step 2: Convert to fraction form
73,566.97/110,351.47 = 20,976.44/x - Step 3: Cross multiply
73,566.97x = 110,351.47 × 20,976.44 - Step 4: Simplify right side
73,566.97x = 2,314,781,212.80 - Step 5: Solve for x
x = 2,314,781,212.80/73,566.97 - Step 6: Final answer
x = 31,464.95
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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.