Finding the Fourth Proportional to 79,102.93, 118,664.18 and 29,183.28
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Solution
The fourth proportional to 79,102.93, 118,664.18 and 29,183.28 is: 43,778.53
Step by Step Solution
- Step 1: Write the proportion equation
79,102.93 : 118,664.18 = 29,183.28 : x - Step 2: Convert to fraction form
79,102.93/118,664.18 = 29,183.28/x - Step 3: Cross multiply
79,102.93x = 118,664.18 × 29,183.28 - Step 4: Simplify right side
79,102.93x = 3,463,009,990.91 - Step 5: Solve for x
x = 3,463,009,990.91/79,102.93 - Step 6: Final answer
x = 43,778.53
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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.