Finding the Fourth Proportional to 73,441.75, 101,349.66 and 39,907.75
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Solution
The fourth proportional to 73,441.75, 101,349.66 and 39,907.75 is: 55,072.72
Step by Step Solution
- Step 1: Write the proportion equation
73,441.75 : 101,349.66 = 39,907.75 : x - Step 2: Convert to fraction form
73,441.75/101,349.66 = 39,907.75/x - Step 3: Cross multiply
73,441.75x = 101,349.66 × 39,907.75 - Step 4: Simplify right side
73,441.75x = 4,044,636,893.87 - Step 5: Solve for x
x = 4,044,636,893.87/73,441.75 - Step 6: Final answer
x = 55,072.72
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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.