Finding the Fourth Proportional to 68,824.62, 102,976.02 and 40,759.74
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Solution
The fourth proportional to 68,824.62, 102,976.02 and 40,759.74 is: 60,985.09
Step by Step Solution
- Step 1: Write the proportion equation
68,824.62 : 102,976.02 = 40,759.74 : x - Step 2: Convert to fraction form
68,824.62/102,976.02 = 40,759.74/x - Step 3: Cross multiply
68,824.62x = 102,976.02 × 40,759.74 - Step 4: Simplify right side
68,824.62x = 4,197,275,801.43 - Step 5: Solve for x
x = 4,197,275,801.43/68,824.62 - Step 6: Final answer
x = 60,985.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.