Finding the Fourth Proportional to 98,056.26, 147,084.48 and 68,531.76
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Solution
The fourth proportional to 98,056.26, 147,084.48 and 68,531.76 is: 102,797.70
Step by Step Solution
- Step 1: Write the proportion equation
98,056.26 : 147,084.48 = 68,531.76 : x - Step 2: Convert to fraction form
98,056.26/147,084.48 = 68,531.76/x - Step 3: Cross multiply
98,056.26x = 147,084.48 × 68,531.76 - Step 4: Simplify right side
98,056.26x = 10,079,958,283.08 - Step 5: Solve for x
x = 10,079,958,283.08/98,056.26 - Step 6: Final answer
x = 102,797.70
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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.