Finding the Fourth Proportional to 77,079.96, 115,618.14 and 35,526.96
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Solution
The fourth proportional to 77,079.96, 115,618.14 and 35,526.96 is: 53,289.61
Step by Step Solution
- Step 1: Write the proportion equation
77,079.96 : 115,618.14 = 35,526.96 : x - Step 2: Convert to fraction form
77,079.96/115,618.14 = 35,526.96/x - Step 3: Cross multiply
77,079.96x = 115,618.14 × 35,526.96 - Step 4: Simplify right side
77,079.96x = 4,107,561,035.05 - Step 5: Solve for x
x = 4,107,561,035.05/77,079.96 - Step 6: Final answer
x = 53,289.61
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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.