Finding the Fourth Proportional to 125,623.05, 173,357.84 and 69,033.21
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Solution
The fourth proportional to 125,623.05, 173,357.84 and 69,033.21 is: 95,264.75
Step by Step Solution
- Step 1: Write the proportion equation
125,623.05 : 173,357.84 = 69,033.21 : x - Step 2: Convert to fraction form
125,623.05/173,357.84 = 69,033.21/x - Step 3: Cross multiply
125,623.05x = 173,357.84 × 69,033.21 - Step 4: Simplify right side
125,623.05x = 11,967,447,828.70 - Step 5: Solve for x
x = 11,967,447,828.70/125,623.05 - Step 6: Final answer
x = 95,264.75
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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.