Finding the Fourth Proportional to 72,954.58, 109,431.99 and 41,768.26
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Solution
The fourth proportional to 72,954.58, 109,431.99 and 41,768.26 is: 62,652.46
Step by Step Solution
- Step 1: Write the proportion equation
72,954.58 : 109,431.99 = 41,768.26 : x - Step 2: Convert to fraction form
72,954.58/109,431.99 = 41,768.26/x - Step 3: Cross multiply
72,954.58x = 109,431.99 × 41,768.26 - Step 4: Simplify right side
72,954.58x = 4,570,783,810.64 - Step 5: Solve for x
x = 4,570,783,810.64/72,954.58 - Step 6: Final answer
x = 62,652.46
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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.