Finding the Fourth Proportional to 76,896.74, 106,124.84 and 46,675.14
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Solution
The fourth proportional to 76,896.74, 106,124.84 and 46,675.14 is: 64,416.15
Step by Step Solution
- Step 1: Write the proportion equation
76,896.74 : 106,124.84 = 46,675.14 : x - Step 2: Convert to fraction form
76,896.74/106,124.84 = 46,675.14/x - Step 3: Cross multiply
76,896.74x = 106,124.84 × 46,675.14 - Step 4: Simplify right side
76,896.74x = 4,953,391,764.48 - Step 5: Solve for x
x = 4,953,391,764.48/76,896.74 - Step 6: Final answer
x = 64,416.15
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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.