Finding the Fourth Proportional to 66,739.42, 100,117.94 and 24,649.09
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Solution
The fourth proportional to 66,739.42, 100,117.94 and 24,649.09 is: 36,976.89
Step by Step Solution
- Step 1: Write the proportion equation
66,739.42 : 100,117.94 = 24,649.09 : x - Step 2: Convert to fraction form
66,739.42/100,117.94 = 24,649.09/x - Step 3: Cross multiply
66,739.42x = 100,117.94 × 24,649.09 - Step 4: Simplify right side
66,739.42x = 2,467,816,113.67 - Step 5: Solve for x
x = 2,467,816,113.67/66,739.42 - Step 6: Final answer
x = 36,976.89
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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.