Finding the Fourth Proportional to 96,705.97, 145,281.35 and 68,694.19
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Solution
The fourth proportional to 96,705.97, 145,281.35 and 68,694.19 is: 103,199.26
Step by Step Solution
- Step 1: Write the proportion equation
96,705.97 : 145,281.35 = 68,694.19 : x - Step 2: Convert to fraction form
96,705.97/145,281.35 = 68,694.19/x - Step 3: Cross multiply
96,705.97x = 145,281.35 × 68,694.19 - Step 4: Simplify right side
96,705.97x = 9,979,984,316.89 - Step 5: Solve for x
x = 9,979,984,316.89/96,705.97 - Step 6: Final answer
x = 103,199.26
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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.