Finding the Fourth Proportional to 125,820.13, 173,632.99 and 69,232.72
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Solution
The fourth proportional to 125,820.13, 173,632.99 and 69,232.72 is: 95,541.82
Step by Step Solution
- Step 1: Write the proportion equation
125,820.13 : 173,632.99 = 69,232.72 : x - Step 2: Convert to fraction form
125,820.13/173,632.99 = 69,232.72/x - Step 3: Cross multiply
125,820.13x = 173,632.99 × 69,232.72 - Step 4: Simplify right side
125,820.13x = 12,021,083,138.19 - Step 5: Solve for x
x = 12,021,083,138.19/125,820.13 - Step 6: Final answer
x = 95,541.82
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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.