Finding the Fourth Proportional to 83,803.56, 125,723.88 and 27,661.02
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Solution
The fourth proportional to 83,803.56, 125,723.88 and 27,661.02 is: 41,497.65
Step by Step Solution
- Step 1: Write the proportion equation
83,803.56 : 125,723.88 = 27,661.02 : x - Step 2: Convert to fraction form
83,803.56/125,723.88 = 27,661.02/x - Step 3: Cross multiply
83,803.56x = 125,723.88 × 27,661.02 - Step 4: Simplify right side
83,803.56x = 3,477,650,759.16 - Step 5: Solve for x
x = 3,477,650,759.16/83,803.56 - Step 6: Final answer
x = 41,497.65
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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.