Finding the Fourth Proportional to 76,914.84, 106,146.53 and 45,093.99
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Solution
The fourth proportional to 76,914.84, 106,146.53 and 45,093.99 is: 62,232.08
Step by Step Solution
- Step 1: Write the proportion equation
76,914.84 : 106,146.53 = 45,093.99 : x - Step 2: Convert to fraction form
76,914.84/106,146.53 = 45,093.99/x - Step 3: Cross multiply
76,914.84x = 106,146.53 × 45,093.99 - Step 4: Simplify right side
76,914.84x = 4,786,570,562.35 - Step 5: Solve for x
x = 4,786,570,562.35/76,914.84 - Step 6: Final answer
x = 62,232.08
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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.