Finding the Fourth Proportional to 73,313.76, 110,035.44 and 48,283.68
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Solution
The fourth proportional to 73,313.76, 110,035.44 and 48,283.68 is: 72,468.20
Step by Step Solution
- Step 1: Write the proportion equation
73,313.76 : 110,035.44 = 48,283.68 : x - Step 2: Convert to fraction form
73,313.76/110,035.44 = 48,283.68/x - Step 3: Cross multiply
73,313.76x = 110,035.44 × 48,283.68 - Step 4: Simplify right side
73,313.76x = 5,312,915,973.62 - Step 5: Solve for x
x = 5,312,915,973.62/73,313.76 - Step 6: Final answer
x = 72,468.20
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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.