Finding the Fourth Proportional to 104,006.18, 143,526.18 and 58,682.99
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Solution
The fourth proportional to 104,006.18, 143,526.18 and 58,682.99 is: 80,981.20
Step by Step Solution
- Step 1: Write the proportion equation
104,006.18 : 143,526.18 = 58,682.99 : x - Step 2: Convert to fraction form
104,006.18/143,526.18 = 58,682.99/x - Step 3: Cross multiply
104,006.18x = 143,526.18 × 58,682.99 - Step 4: Simplify right side
104,006.18x = 8,422,545,385.68 - Step 5: Solve for x
x = 8,422,545,385.68/104,006.18 - Step 6: Final answer
x = 80,981.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.