Finding the Fourth Proportional to 75,648.88, 104,393.57 and 41,657.09
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Solution
The fourth proportional to 75,648.88, 104,393.57 and 41,657.09 is: 57,485.75
Step by Step Solution
- Step 1: Write the proportion equation
75,648.88 : 104,393.57 = 41,657.09 : x - Step 2: Convert to fraction form
75,648.88/104,393.57 = 41,657.09/x - Step 3: Cross multiply
75,648.88x = 104,393.57 × 41,657.09 - Step 4: Simplify right side
75,648.88x = 4,348,732,393.61 - Step 5: Solve for x
x = 4,348,732,393.61/75,648.88 - Step 6: Final answer
x = 57,485.75
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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.