Finding the Fourth Proportional to 107,379.23, 160,882.79 and 65,170.87
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Solution
The fourth proportional to 107,379.23, 160,882.79 and 65,170.87 is: 97,643.39
Step by Step Solution
- Step 1: Write the proportion equation
107,379.23 : 160,882.79 = 65,170.87 : x - Step 2: Convert to fraction form
107,379.23/160,882.79 = 65,170.87/x - Step 3: Cross multiply
107,379.23x = 160,882.79 × 65,170.87 - Step 4: Simplify right side
107,379.23x = 10,484,871,576.90 - Step 5: Solve for x
x = 10,484,871,576.90/107,379.23 - Step 6: Final answer
x = 97,643.39
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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.