Finding the Fourth Proportional to 73,647.80, 110,471.70 and 50,319.80
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Solution
The fourth proportional to 73,647.80, 110,471.70 and 50,319.80 is: 75,479.70
Step by Step Solution
- Step 1: Write the proportion equation
73,647.80 : 110,471.70 = 50,319.80 : x - Step 2: Convert to fraction form
73,647.80/110,471.70 = 50,319.80/x - Step 3: Cross multiply
73,647.80x = 110,471.70 × 50,319.80 - Step 4: Simplify right side
73,647.80x = 5,558,913,849.66 - Step 5: Solve for x
x = 5,558,913,849.66/73,647.80 - Step 6: Final answer
x = 75,479.70
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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.