Finding the Fourth Proportional to 79,241.67, 118,852.07 and 39,245.09
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Solution
The fourth proportional to 79,241.67, 118,852.07 and 39,245.09 is: 58,862.46
Step by Step Solution
- Step 1: Write the proportion equation
79,241.67 : 118,852.07 = 39,245.09 : x - Step 2: Convert to fraction form
79,241.67/118,852.07 = 39,245.09/x - Step 3: Cross multiply
79,241.67x = 118,852.07 × 39,245.09 - Step 4: Simplify right side
79,241.67x = 4,664,359,393.35 - Step 5: Solve for x
x = 4,664,359,393.35/79,241.67 - Step 6: Final answer
x = 58,862.46
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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.