Finding the Fourth Proportional to 76,677.26, 105,819.46 and 46,465.23
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Solution
The fourth proportional to 76,677.26, 105,819.46 and 46,465.23 is: 64,124.95
Step by Step Solution
- Step 1: Write the proportion equation
76,677.26 : 105,819.46 = 46,465.23 : x - Step 2: Convert to fraction form
76,677.26/105,819.46 = 46,465.23/x - Step 3: Cross multiply
76,677.26x = 105,819.46 × 46,465.23 - Step 4: Simplify right side
76,677.26x = 4,916,925,431.21 - Step 5: Solve for x
x = 4,916,925,431.21/76,677.26 - Step 6: Final answer
x = 64,124.95
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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.