Finding the Fourth Proportional to 125,940.17, 173,751.79 and 71,460.79
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Solution
The fourth proportional to 125,940.17, 173,751.79 and 71,460.79 is: 98,589.99
Step by Step Solution
- Step 1: Write the proportion equation
125,940.17 : 173,751.79 = 71,460.79 : x - Step 2: Convert to fraction form
125,940.17/173,751.79 = 71,460.79/x - Step 3: Cross multiply
125,940.17x = 173,751.79 × 71,460.79 - Step 4: Simplify right side
125,940.17x = 12,416,439,820.01 - Step 5: Solve for x
x = 12,416,439,820.01/125,940.17 - Step 6: Final answer
x = 98,589.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.