Finding the Fourth Proportional to 76,178.73, 105,091.99 and 44,329.13
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Solution
The fourth proportional to 76,178.73, 105,091.99 and 44,329.13 is: 61,154.02
Step by Step Solution
- Step 1: Write the proportion equation
76,178.73 : 105,091.99 = 44,329.13 : x - Step 2: Convert to fraction form
76,178.73/105,091.99 = 44,329.13/x - Step 3: Cross multiply
76,178.73x = 105,091.99 × 44,329.13 - Step 4: Simplify right side
76,178.73x = 4,658,635,850.39 - Step 5: Solve for x
x = 4,658,635,850.39/76,178.73 - Step 6: Final answer
x = 61,154.02
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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.