Finding the Fourth Proportional to 73,091.98, 100,866.94 and 39,557.98
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Solution
The fourth proportional to 73,091.98, 100,866.94 and 39,557.98 is: 54,590.02
Step by Step Solution
- Step 1: Write the proportion equation
73,091.98 : 100,866.94 = 39,557.98 : x - Step 2: Convert to fraction form
73,091.98/100,866.94 = 39,557.98/x - Step 3: Cross multiply
73,091.98x = 100,866.94 × 39,557.98 - Step 4: Simplify right side
73,091.98x = 3,990,092,395.18 - Step 5: Solve for x
x = 3,990,092,395.18/73,091.98 - Step 6: Final answer
x = 54,590.02
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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.