Finding the Fourth Proportional to 86,101.22, 118,821.10 and 47,340.68
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Solution
The fourth proportional to 86,101.22, 118,821.10 and 47,340.68 is: 65,330.92
Step by Step Solution
- Step 1: Write the proportion equation
86,101.22 : 118,821.10 = 47,340.68 : x - Step 2: Convert to fraction form
86,101.22/118,821.10 = 47,340.68/x - Step 3: Cross multiply
86,101.22x = 118,821.10 × 47,340.68 - Step 4: Simplify right side
86,101.22x = 5,625,071,416.13 - Step 5: Solve for x
x = 5,625,071,416.13/86,101.22 - Step 6: Final answer
x = 65,330.92
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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.