Finding the Fourth Proportional to 125,994.11, 188,925.55 and 47,043.41
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Solution
The fourth proportional to 125,994.11, 188,925.55 and 47,043.41 is: 70,540.62
Step by Step Solution
- Step 1: Write the proportion equation
125,994.11 : 188,925.55 = 47,043.41 : x - Step 2: Convert to fraction form
125,994.11/188,925.55 = 47,043.41/x - Step 3: Cross multiply
125,994.11x = 188,925.55 × 47,043.41 - Step 4: Simplify right side
125,994.11x = 8,887,702,108.13 - Step 5: Solve for x
x = 8,887,702,108.13/125,994.11 - Step 6: Final answer
x = 70,540.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.