Finding the Fourth Proportional to 76,137.84, 105,073.02 and 41,684.99
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Solution
The fourth proportional to 76,137.84, 105,073.02 and 41,684.99 is: 57,526.81
Step by Step Solution
- Step 1: Write the proportion equation
76,137.84 : 105,073.02 = 41,684.99 : x - Step 2: Convert to fraction form
76,137.84/105,073.02 = 41,684.99/x - Step 3: Cross multiply
76,137.84x = 105,073.02 × 41,684.99 - Step 4: Simplify right side
76,137.84x = 4,379,967,262.60 - Step 5: Solve for x
x = 4,379,967,262.60/76,137.84 - Step 6: Final answer
x = 57,526.81
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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.