Finding the Fourth Proportional to 96,219.99, 143,625.38 and 84,857.43
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Solution
The fourth proportional to 96,219.99, 143,625.38 and 84,857.43 is: 126,664.75
Step by Step Solution
- Step 1: Write the proportion equation
96,219.99 : 143,625.38 = 84,857.43 : x - Step 2: Convert to fraction form
96,219.99/143,625.38 = 84,857.43/x - Step 3: Cross multiply
96,219.99x = 143,625.38 × 84,857.43 - Step 4: Simplify right side
96,219.99x = 12,187,679,911.45 - Step 5: Solve for x
x = 12,187,679,911.45/96,219.99 - Step 6: Final answer
x = 126,664.75
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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.