Finding the Fourth Proportional to 73,935.44, 110,947.12 and 27,221.12
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Solution
The fourth proportional to 73,935.44, 110,947.12 and 27,221.12 is: 40,847.86
Step by Step Solution
- Step 1: Write the proportion equation
73,935.44 : 110,947.12 = 27,221.12 : x - Step 2: Convert to fraction form
73,935.44/110,947.12 = 27,221.12/x - Step 3: Cross multiply
73,935.44x = 110,947.12 × 27,221.12 - Step 4: Simplify right side
73,935.44x = 3,020,104,867.17 - Step 5: Solve for x
x = 3,020,104,867.17/73,935.44 - Step 6: Final answer
x = 40,847.86
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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.