Finding the Fourth Proportional to 73,749.60, 110,624.40 and 48,817.80
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Solution
The fourth proportional to 73,749.60, 110,624.40 and 48,817.80 is: 73,226.70
Step by Step Solution
- Step 1: Write the proportion equation
73,749.60 : 110,624.40 = 48,817.80 : x - Step 2: Convert to fraction form
73,749.60/110,624.40 = 48,817.80/x - Step 3: Cross multiply
73,749.60x = 110,624.40 × 48,817.80 - Step 4: Simplify right side
73,749.60x = 5,400,439,834.32 - Step 5: Solve for x
x = 5,400,439,834.32/73,749.60 - Step 6: Final answer
x = 73,226.70
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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.