Finding the Fourth Proportional to 73,273.50, 101,117.97 and 39,739.50
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Solution
The fourth proportional to 73,273.50, 101,117.97 and 39,739.50 is: 54,840.80
Step by Step Solution
- Step 1: Write the proportion equation
73,273.50 : 101,117.97 = 39,739.50 : x - Step 2: Convert to fraction form
73,273.50/101,117.97 = 39,739.50/x - Step 3: Cross multiply
73,273.50x = 101,117.97 × 39,739.50 - Step 4: Simplify right side
73,273.50x = 4,018,377,568.82 - Step 5: Solve for x
x = 4,018,377,568.82/73,273.50 - Step 6: Final answer
x = 54,840.80
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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.