Finding the Fourth Proportional to 86,657.93, 119,585.79 and 48,415.13
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Solution
The fourth proportional to 86,657.93, 119,585.79 and 48,415.13 is: 66,811.67
Step by Step Solution
- Step 1: Write the proportion equation
86,657.93 : 119,585.79 = 48,415.13 : x - Step 2: Convert to fraction form
86,657.93/119,585.79 = 48,415.13/x - Step 3: Cross multiply
86,657.93x = 119,585.79 × 48,415.13 - Step 4: Simplify right side
86,657.93x = 5,789,760,971.07 - Step 5: Solve for x
x = 5,789,760,971.07/86,657.93 - Step 6: Final answer
x = 66,811.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.