Finding the Fourth Proportional to 86,047.44, 118,747.80 and 48,320.88
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Solution
The fourth proportional to 86,047.44, 118,747.80 and 48,320.88 is: 66,684.12
Step by Step Solution
- Step 1: Write the proportion equation
86,047.44 : 118,747.80 = 48,320.88 : x - Step 2: Convert to fraction form
86,047.44/118,747.80 = 48,320.88/x - Step 3: Cross multiply
86,047.44x = 118,747.80 × 48,320.88 - Step 4: Simplify right side
86,047.44x = 5,737,998,194.06 - Step 5: Solve for x
x = 5,737,998,194.06/86,047.44 - Step 6: Final answer
x = 66,684.12
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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.