Finding the Fourth Proportional to 73,965.40, 110,948.10 and 44,027.80
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Solution
The fourth proportional to 73,965.40, 110,948.10 and 44,027.80 is: 66,041.70
Step by Step Solution
- Step 1: Write the proportion equation
73,965.40 : 110,948.10 = 44,027.80 : x - Step 2: Convert to fraction form
73,965.40/110,948.10 = 44,027.80/x - Step 3: Cross multiply
73,965.40x = 110,948.10 × 44,027.80 - Step 4: Simplify right side
73,965.40x = 4,884,800,757.18 - Step 5: Solve for x
x = 4,884,800,757.18/73,965.40 - Step 6: Final answer
x = 66,041.70
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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.