Finding the Fourth Proportional to 83,887.81, 125,851.42 and 27,727.92
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Solution
The fourth proportional to 83,887.81, 125,851.42 and 27,727.92 is: 41,598.39
Step by Step Solution
- Step 1: Write the proportion equation
83,887.81 : 125,851.42 = 27,727.92 : x - Step 2: Convert to fraction form
83,887.81/125,851.42 = 27,727.92/x - Step 3: Cross multiply
83,887.81x = 125,851.42 × 27,727.92 - Step 4: Simplify right side
83,887.81x = 3,489,597,671.25 - Step 5: Solve for x
x = 3,489,597,671.25/83,887.81 - Step 6: Final answer
x = 41,598.39
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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.