Finding the Fourth Proportional to 95,821.85, 143,058.99 and 73,214.18
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Solution
The fourth proportional to 95,821.85, 143,058.99 and 73,214.18 is: 109,306.45
Step by Step Solution
- Step 1: Write the proportion equation
95,821.85 : 143,058.99 = 73,214.18 : x - Step 2: Convert to fraction form
95,821.85/143,058.99 = 73,214.18/x - Step 3: Cross multiply
95,821.85x = 143,058.99 × 73,214.18 - Step 4: Simplify right side
95,821.85x = 10,473,946,644.48 - Step 5: Solve for x
x = 10,473,946,644.48/95,821.85 - Step 6: Final answer
x = 109,306.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.