Finding the Fourth Proportional to 68,011.26, 102,034.16 and 39,955.03
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Solution
The fourth proportional to 68,011.26, 102,034.16 and 39,955.03 is: 59,942.70
Step by Step Solution
- Step 1: Write the proportion equation
68,011.26 : 102,034.16 = 39,955.03 : x - Step 2: Convert to fraction form
68,011.26/102,034.16 = 39,955.03/x - Step 3: Cross multiply
68,011.26x = 102,034.16 × 39,955.03 - Step 4: Simplify right side
68,011.26x = 4,076,777,923.82 - Step 5: Solve for x
x = 4,076,777,923.82/68,011.26 - Step 6: Final answer
x = 59,942.70
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1.5x scale
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.