Finding the Fourth Proportional to 125,776.60, 173,574.39 and 69,187.97
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Solution
The fourth proportional to 125,776.60, 173,574.39 and 69,187.97 is: 95,480.88
Step by Step Solution
- Step 1: Write the proportion equation
125,776.60 : 173,574.39 = 69,187.97 : x - Step 2: Convert to fraction form
125,776.60/173,574.39 = 69,187.97/x - Step 3: Cross multiply
125,776.60x = 173,574.39 × 69,187.97 - Step 4: Simplify right side
125,776.60x = 12,009,260,381.48 - Step 5: Solve for x
x = 12,009,260,381.48/125,776.60 - Step 6: Final answer
x = 95,480.88
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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.