Finding the Fourth Proportional to 76,199.25, 105,144.99 and 43,935.08
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Solution
The fourth proportional to 76,199.25, 105,144.99 and 43,935.08 is: 60,624.66
Step by Step Solution
- Step 1: Write the proportion equation
76,199.25 : 105,144.99 = 43,935.08 : x - Step 2: Convert to fraction form
76,199.25/105,144.99 = 43,935.08/x - Step 3: Cross multiply
76,199.25x = 105,144.99 × 43,935.08 - Step 4: Simplify right side
76,199.25x = 4,619,553,394.22 - Step 5: Solve for x
x = 4,619,553,394.22/76,199.25 - Step 6: Final answer
x = 60,624.66
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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.