Finding the Fourth Proportional to 83,768.24, 125,661.55 and 36,350.74
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Solution
The fourth proportional to 83,768.24, 125,661.55 and 36,350.74 is: 54,530.09
Step by Step Solution
- Step 1: Write the proportion equation
83,768.24 : 125,661.55 = 36,350.74 : x - Step 2: Convert to fraction form
83,768.24/125,661.55 = 36,350.74/x - Step 3: Cross multiply
83,768.24x = 125,661.55 × 36,350.74 - Step 4: Simplify right side
83,768.24x = 4,567,889,521.99 - Step 5: Solve for x
x = 4,567,889,521.99/83,768.24 - Step 6: Final answer
x = 54,530.09
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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.