Finding the Fourth Proportional to 76,960.20, 106,187.04 and 46,744.68
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Solution
The fourth proportional to 76,960.20, 106,187.04 and 46,744.68 is: 64,496.70
Step by Step Solution
- Step 1: Write the proportion equation
76,960.20 : 106,187.04 = 46,744.68 : x - Step 2: Convert to fraction form
76,960.20/106,187.04 = 46,744.68/x - Step 3: Cross multiply
76,960.20x = 106,187.04 × 46,744.68 - Step 4: Simplify right side
76,960.20x = 4,963,679,204.95 - Step 5: Solve for x
x = 4,963,679,204.95/76,960.20 - Step 6: Final answer
x = 64,496.70
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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.