Finding the Fourth Proportional to 76,942.92, 115,455.00 and 54,597.99
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Solution
The fourth proportional to 76,942.92, 115,455.00 and 54,597.99 is: 81,925.81
Step by Step Solution
- Step 1: Write the proportion equation
76,942.92 : 115,455.00 = 54,597.99 : x - Step 2: Convert to fraction form
76,942.92/115,455.00 = 54,597.99/x - Step 3: Cross multiply
76,942.92x = 115,455.00 × 54,597.99 - Step 4: Simplify right side
76,942.92x = 6,303,610,923.71 - Step 5: Solve for x
x = 6,303,610,923.71/76,942.92 - Step 6: Final answer
x = 81,925.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.