Finding the Fourth Proportional to 83,509.54, 125,262.52 and 20,329.99
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Solution
The fourth proportional to 83,509.54, 125,262.52 and 20,329.99 is: 30,494.55
Step by Step Solution
- Step 1: Write the proportion equation
83,509.54 : 125,262.52 = 20,329.99 : x - Step 2: Convert to fraction form
83,509.54/125,262.52 = 20,329.99/x - Step 3: Cross multiply
83,509.54x = 125,262.52 × 20,329.99 - Step 4: Simplify right side
83,509.54x = 2,546,585,778.97 - Step 5: Solve for x
x = 2,546,585,778.97/83,509.54 - Step 6: Final answer
x = 30,494.55
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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.