Finding the Fourth Proportional to 72,973.44, 109,383.84 and 41,343.84
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Solution
The fourth proportional to 72,973.44, 109,383.84 and 41,343.84 is: 61,972.52
Step by Step Solution
- Step 1: Write the proportion equation
72,973.44 : 109,383.84 = 41,343.84 : x - Step 2: Convert to fraction form
72,973.44/109,383.84 = 41,343.84/x - Step 3: Cross multiply
72,973.44x = 109,383.84 × 41,343.84 - Step 4: Simplify right side
72,973.44x = 4,522,347,979.55 - Step 5: Solve for x
x = 4,522,347,979.55/72,973.44 - Step 6: Final answer
x = 61,972.52
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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.