Finding the Fourth Proportional to 86,340.06, 129,476.07 and 41,953.68
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Solution
The fourth proportional to 86,340.06, 129,476.07 and 41,953.68 is: 62,913.99
Step by Step Solution
- Step 1: Write the proportion equation
86,340.06 : 129,476.07 = 41,953.68 : x - Step 2: Convert to fraction form
86,340.06/129,476.07 = 41,953.68/x - Step 3: Cross multiply
86,340.06x = 129,476.07 × 41,953.68 - Step 4: Simplify right side
86,340.06x = 5,431,997,608.44 - Step 5: Solve for x
x = 5,431,997,608.44/86,340.06 - Step 6: Final answer
x = 62,913.99
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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.