Finding the Fourth Proportional to 107,066.49, 147,749.84 and 59,318.88
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Solution
The fourth proportional to 107,066.49, 147,749.84 and 59,318.88 is: 81,858.99
Step by Step Solution
- Step 1: Write the proportion equation
107,066.49 : 147,749.84 = 59,318.88 : x - Step 2: Convert to fraction form
107,066.49/147,749.84 = 59,318.88/x - Step 3: Cross multiply
107,066.49x = 147,749.84 × 59,318.88 - Step 4: Simplify right side
107,066.49x = 8,764,353,993.64 - Step 5: Solve for x
x = 8,764,353,993.64/107,066.49 - Step 6: Final answer
x = 81,858.99
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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.