Finding the Fourth Proportional to 76,834.68, 106,038.84 and 46,627.68
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Solution
The fourth proportional to 76,834.68, 106,038.84 and 46,627.68 is: 64,350.44
Step by Step Solution
- Step 1: Write the proportion equation
76,834.68 : 106,038.84 = 46,627.68 : x - Step 2: Convert to fraction form
76,834.68/106,038.84 = 46,627.68/x - Step 3: Cross multiply
76,834.68x = 106,038.84 × 46,627.68 - Step 4: Simplify right side
76,834.68x = 4,944,345,099.09 - Step 5: Solve for x
x = 4,944,345,099.09/76,834.68 - Step 6: Final answer
x = 64,350.44
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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.