Finding the Fourth Proportional to 80,285.54, 119,939.99 and 51,974.96
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Solution
The fourth proportional to 80,285.54, 119,939.99 and 51,974.96 is: 77,646.31
Step by Step Solution
- Step 1: Write the proportion equation
80,285.54 : 119,939.99 = 51,974.96 : x - Step 2: Convert to fraction form
80,285.54/119,939.99 = 51,974.96/x - Step 3: Cross multiply
80,285.54x = 119,939.99 × 51,974.96 - Step 4: Simplify right side
80,285.54x = 6,233,875,323.08 - Step 5: Solve for x
x = 6,233,875,323.08/80,285.54 - Step 6: Final answer
x = 77,646.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.