Finding the Fourth Proportional to 76,754.19, 105,153.63 and 73,877.84
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Solution
The fourth proportional to 76,754.19, 105,153.63 and 73,877.84 is: 101,213.00
Step by Step Solution
- Step 1: Write the proportion equation
76,754.19 : 105,153.63 = 73,877.84 : x - Step 2: Convert to fraction form
76,754.19/105,153.63 = 73,877.84/x - Step 3: Cross multiply
76,754.19x = 105,153.63 × 73,877.84 - Step 4: Simplify right side
76,754.19x = 7,768,522,157.40 - Step 5: Solve for x
x = 7,768,522,157.40/76,754.19 - Step 6: Final answer
x = 101,213.00
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.