Finding the Fourth Proportional to 75,790.76, 104,588.84 and 41,800.68
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Solution
The fourth proportional to 75,790.76, 104,588.84 and 41,800.68 is: 57,683.61
Step by Step Solution
- Step 1: Write the proportion equation
75,790.76 : 104,588.84 = 41,800.68 : x - Step 2: Convert to fraction form
75,790.76/104,588.84 = 41,800.68/x - Step 3: Cross multiply
75,790.76x = 104,588.84 × 41,800.68 - Step 4: Simplify right side
75,790.76x = 4,371,884,632.41 - Step 5: Solve for x
x = 4,371,884,632.41/75,790.76 - Step 6: Final answer
x = 57,683.61
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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.