Finding the Fourth Proportional to 93,814.36, 140,720.66 and 40,544.00
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Solution
The fourth proportional to 93,814.36, 140,720.66 and 40,544.00 is: 60,815.62
Step by Step Solution
- Step 1: Write the proportion equation
93,814.36 : 140,720.66 = 40,544.00 : x - Step 2: Convert to fraction form
93,814.36/140,720.66 = 40,544.00/x - Step 3: Cross multiply
93,814.36x = 140,720.66 × 40,544.00 - Step 4: Simplify right side
93,814.36x = 5,705,378,608.24 - Step 5: Solve for x
x = 5,705,378,608.24/93,814.36 - Step 6: Final answer
x = 60,815.62
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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.