Finding the Fourth Proportional to 76,435.99, 114,628.02 and 29,039.65
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Solution
The fourth proportional to 76,435.99, 114,628.02 and 29,039.65 is: 43,549.61
Step by Step Solution
- Step 1: Write the proportion equation
76,435.99 : 114,628.02 = 29,039.65 : x - Step 2: Convert to fraction form
76,435.99/114,628.02 = 29,039.65/x - Step 3: Cross multiply
76,435.99x = 114,628.02 × 29,039.65 - Step 4: Simplify right side
76,435.99x = 3,328,757,580.99 - Step 5: Solve for x
x = 3,328,757,580.99/76,435.99 - Step 6: Final answer
x = 43,549.61
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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.