Finding the Fourth Proportional to 125,642.93, 173,385.23 and 69,053.09
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Solution
The fourth proportional to 125,642.93, 173,385.23 and 69,053.09 is: 95,292.15
Step by Step Solution
- Step 1: Write the proportion equation
125,642.93 : 173,385.23 = 69,053.09 : x - Step 2: Convert to fraction form
125,642.93/173,385.23 = 69,053.09/x - Step 3: Cross multiply
125,642.93x = 173,385.23 × 69,053.09 - Step 4: Simplify right side
125,642.93x = 11,972,784,679.67 - Step 5: Solve for x
x = 11,972,784,679.67/125,642.93 - Step 6: Final answer
x = 95,292.15
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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.