Finding the Fourth Proportional to 125,032.12, 172,531.50 and 71,313.08
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Solution
The fourth proportional to 125,032.12, 172,531.50 and 71,313.08 is: 98,404.74
Step by Step Solution
- Step 1: Write the proportion equation
125,032.12 : 172,531.50 = 71,313.08 : x - Step 2: Convert to fraction form
125,032.12/172,531.50 = 71,313.08/x - Step 3: Cross multiply
125,032.12x = 172,531.50 × 71,313.08 - Step 4: Simplify right side
125,032.12x = 12,303,752,662.02 - Step 5: Solve for x
x = 12,303,752,662.02/125,032.12 - Step 6: Final answer
x = 98,404.74
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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.