Finding the Fourth Proportional to 76,750.81, 114,998.94 and 46,674.07
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Solution
The fourth proportional to 76,750.81, 114,998.94 and 46,674.07 is: 69,933.70
Step by Step Solution
- Step 1: Write the proportion equation
76,750.81 : 114,998.94 = 46,674.07 : x - Step 2: Convert to fraction form
76,750.81/114,998.94 = 46,674.07/x - Step 3: Cross multiply
76,750.81x = 114,998.94 × 46,674.07 - Step 4: Simplify right side
76,750.81x = 5,367,468,189.54 - Step 5: Solve for x
x = 5,367,468,189.54/76,750.81 - Step 6: Final answer
x = 69,933.70
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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.