Finding the Fourth Proportional to 68,751.24, 103,112.01 and 24,379.44
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Solution
The fourth proportional to 68,751.24, 103,112.01 and 24,379.44 is: 36,563.89
Step by Step Solution
- Step 1: Write the proportion equation
68,751.24 : 103,112.01 = 24,379.44 : x - Step 2: Convert to fraction form
68,751.24/103,112.01 = 24,379.44/x - Step 3: Cross multiply
68,751.24x = 103,112.01 × 24,379.44 - Step 4: Simplify right side
68,751.24x = 2,513,813,061.07 - Step 5: Solve for x
x = 2,513,813,061.07/68,751.24 - Step 6: Final answer
x = 36,563.89
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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.