Finding the Fourth Proportional to 83,456.73, 125,097.62 and 30,832.65
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Solution
The fourth proportional to 83,456.73, 125,097.62 and 30,832.65 is: 46,216.66
Step by Step Solution
- Step 1: Write the proportion equation
83,456.73 : 125,097.62 = 30,832.65 : x - Step 2: Convert to fraction form
83,456.73/125,097.62 = 30,832.65/x - Step 3: Cross multiply
83,456.73x = 125,097.62 × 30,832.65 - Step 4: Simplify right side
83,456.73x = 3,857,090,979.13 - Step 5: Solve for x
x = 3,857,090,979.13/83,456.73 - Step 6: Final answer
x = 46,216.66
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1.5x scale
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.