Finding the Fourth Proportional to 75,331.62, 112,997.32 and 30,927.09
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Solution
The fourth proportional to 75,331.62, 112,997.32 and 30,927.09 is: 46,390.59
Step by Step Solution
- Step 1: Write the proportion equation
75,331.62 : 112,997.32 = 30,927.09 : x - Step 2: Convert to fraction form
75,331.62/112,997.32 = 30,927.09/x - Step 3: Cross multiply
75,331.62x = 112,997.32 × 30,927.09 - Step 4: Simplify right side
75,331.62x = 3,494,678,285.40 - Step 5: Solve for x
x = 3,494,678,285.40/75,331.62 - Step 6: Final answer
x = 46,390.59
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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.