Finding the Fourth Proportional to 68,119.26, 102,177.70 and 30,652.82
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Solution
The fourth proportional to 68,119.26, 102,177.70 and 30,652.82 is: 45,978.69
Step by Step Solution
- Step 1: Write the proportion equation
68,119.26 : 102,177.70 = 30,652.82 : x - Step 2: Convert to fraction form
68,119.26/102,177.70 = 30,652.82/x - Step 3: Cross multiply
68,119.26x = 102,177.70 × 30,652.82 - Step 4: Simplify right side
68,119.26x = 3,132,034,058.59 - Step 5: Solve for x
x = 3,132,034,058.59/68,119.26 - Step 6: Final answer
x = 45,978.69
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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.