Finding the Fourth Proportional to 122,622.47, 183,937.14 and 33,875.99
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Solution
The fourth proportional to 122,622.47, 183,937.14 and 33,875.99 is: 50,814.93
Step by Step Solution
- Step 1: Write the proportion equation
122,622.47 : 183,937.14 = 33,875.99 : x - Step 2: Convert to fraction form
122,622.47/183,937.14 = 33,875.99/x - Step 3: Cross multiply
122,622.47x = 183,937.14 × 33,875.99 - Step 4: Simplify right side
122,622.47x = 6,231,051,795.58 - Step 5: Solve for x
x = 6,231,051,795.58/122,622.47 - Step 6: Final answer
x = 50,814.93
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1.5x scale
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.