Finding the Fourth Proportional to 85,239.12, 117,625.70 and 47,506.08
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Solution
The fourth proportional to 85,239.12, 117,625.70 and 47,506.08 is: 65,556.00
Step by Step Solution
- Step 1: Write the proportion equation
85,239.12 : 117,625.70 = 47,506.08 : x - Step 2: Convert to fraction form
85,239.12/117,625.70 = 47,506.08/x - Step 3: Cross multiply
85,239.12x = 117,625.70 × 47,506.08 - Step 4: Simplify right side
85,239.12x = 5,587,935,914.26 - Step 5: Solve for x
x = 5,587,935,914.26/85,239.12 - Step 6: Final answer
x = 65,556.00
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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.