Finding the Fourth Proportional to 76,537.14, 105,628.46 and 46,329.99
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Solution
The fourth proportional to 76,537.14, 105,628.46 and 46,329.99 is: 63,939.75
Step by Step Solution
- Step 1: Write the proportion equation
76,537.14 : 105,628.46 = 46,329.99 : x - Step 2: Convert to fraction form
76,537.14/105,628.46 = 46,329.99/x - Step 3: Cross multiply
76,537.14x = 105,628.46 × 46,329.99 - Step 4: Simplify right side
76,537.14x = 4,893,765,495.52 - Step 5: Solve for x
x = 4,893,765,495.52/76,537.14 - Step 6: Final answer
x = 63,939.75
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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.