Finding the Fourth Proportional to 93,796.96, 129,441.44 and 57,986.08
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Solution
The fourth proportional to 93,796.96, 129,441.44 and 57,986.08 is: 80,021.80
Step by Step Solution
- Step 1: Write the proportion equation
93,796.96 : 129,441.44 = 57,986.08 : x - Step 2: Convert to fraction form
93,796.96/129,441.44 = 57,986.08/x - Step 3: Cross multiply
93,796.96x = 129,441.44 × 57,986.08 - Step 4: Simplify right side
93,796.96x = 7,505,801,695.16 - Step 5: Solve for x
x = 7,505,801,695.16/93,796.96 - Step 6: Final answer
x = 80,021.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.