Finding the Fourth Proportional to 76,678.48, 115,028.40 and 24,092.08
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Solution
The fourth proportional to 76,678.48, 115,028.40 and 24,092.08 is: 36,141.48
Step by Step Solution
- Step 1: Write the proportion equation
76,678.48 : 115,028.40 = 24,092.08 : x - Step 2: Convert to fraction form
76,678.48/115,028.40 = 24,092.08/x - Step 3: Cross multiply
76,678.48x = 115,028.40 × 24,092.08 - Step 4: Simplify right side
76,678.48x = 2,771,273,415.07 - Step 5: Solve for x
x = 2,771,273,415.07/76,678.48 - Step 6: Final answer
x = 36,141.48
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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.