Finding the Fourth Proportional to 107,589.75, 148,473.86 and 62,877.75
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Solution
The fourth proportional to 107,589.75, 148,473.86 and 62,877.75 is: 86,771.30
Step by Step Solution
- Step 1: Write the proportion equation
107,589.75 : 148,473.86 = 62,877.75 : x - Step 2: Convert to fraction form
107,589.75/148,473.86 = 62,877.75/x - Step 3: Cross multiply
107,589.75x = 148,473.86 × 62,877.75 - Step 4: Simplify right side
107,589.75x = 9,335,701,936.23 - Step 5: Solve for x
x = 9,335,701,936.23/107,589.75 - Step 6: Final answer
x = 86,771.30
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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.