Finding the Fourth Proportional to 73,273.80, 101,163.18 and 56,245.44
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Solution
The fourth proportional to 73,273.80, 101,163.18 and 56,245.44 is: 77,653.51
Step by Step Solution
- Step 1: Write the proportion equation
73,273.80 : 101,163.18 = 56,245.44 : x - Step 2: Convert to fraction form
73,273.80/101,163.18 = 56,245.44/x - Step 3: Cross multiply
73,273.80x = 101,163.18 × 56,245.44 - Step 4: Simplify right side
73,273.80x = 5,689,967,570.90 - Step 5: Solve for x
x = 5,689,967,570.90/73,273.80 - Step 6: Final answer
x = 77,653.51
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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.