Finding the Fourth Proportional to 71,118.81, 106,661.81 and 26,750.05
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Solution
The fourth proportional to 71,118.81, 106,661.81 and 26,750.05 is: 40,118.90
Step by Step Solution
- Step 1: Write the proportion equation
71,118.81 : 106,661.81 = 26,750.05 : x - Step 2: Convert to fraction form
71,118.81/106,661.81 = 26,750.05/x - Step 3: Cross multiply
71,118.81x = 106,661.81 × 26,750.05 - Step 4: Simplify right side
71,118.81x = 2,853,208,550.81 - Step 5: Solve for x
x = 2,853,208,550.81/71,118.81 - Step 6: Final answer
x = 40,118.90
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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.