Finding the Fourth Proportional to 76,768.68, 105,948.36 and 44,935.68
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Solution
The fourth proportional to 76,768.68, 105,948.36 and 44,935.68 is: 62,015.68
Step by Step Solution
- Step 1: Write the proportion equation
76,768.68 : 105,948.36 = 44,935.68 : x - Step 2: Convert to fraction form
76,768.68/105,948.36 = 44,935.68/x - Step 3: Cross multiply
76,768.68x = 105,948.36 × 44,935.68 - Step 4: Simplify right side
76,768.68x = 4,760,861,601.48 - Step 5: Solve for x
x = 4,760,861,601.48/76,768.68 - Step 6: Final answer
x = 62,015.68
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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.