Finding the Fourth Proportional to 87,059.06, 130,544.84 and 40,344.74
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Solution
The fourth proportional to 87,059.06, 130,544.84 and 40,344.74 is: 60,496.83
Step by Step Solution
- Step 1: Write the proportion equation
87,059.06 : 130,544.84 = 40,344.74 : x - Step 2: Convert to fraction form
87,059.06/130,544.84 = 40,344.74/x - Step 3: Cross multiply
87,059.06x = 130,544.84 × 40,344.74 - Step 4: Simplify right side
87,059.06x = 5,266,797,076.28 - Step 5: Solve for x
x = 5,266,797,076.28/87,059.06 - Step 6: Final answer
x = 60,496.83
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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.