Finding the Fourth Proportional to 73,950.40, 110,925.60 and 27,197.20
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Solution
The fourth proportional to 73,950.40, 110,925.60 and 27,197.20 is: 40,795.80
Step by Step Solution
- Step 1: Write the proportion equation
73,950.40 : 110,925.60 = 27,197.20 : x - Step 2: Convert to fraction form
73,950.40/110,925.60 = 27,197.20/x - Step 3: Cross multiply
73,950.40x = 110,925.60 × 27,197.20 - Step 4: Simplify right side
73,950.40x = 3,016,865,728.32 - Step 5: Solve for x
x = 3,016,865,728.32/73,950.40 - Step 6: Final answer
x = 40,795.80
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1.5x scale
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.