Finding the Fourth Proportional to 84,974.36, 117,259.80 and 47,247.80
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Solution
The fourth proportional to 84,974.36, 117,259.80 and 47,247.80 is: 65,199.29
Step by Step Solution
- Step 1: Write the proportion equation
84,974.36 : 117,259.80 = 47,247.80 : x - Step 2: Convert to fraction form
84,974.36/117,259.80 = 47,247.80/x - Step 3: Cross multiply
84,974.36x = 117,259.80 × 47,247.80 - Step 4: Simplify right side
84,974.36x = 5,540,267,578.44 - Step 5: Solve for x
x = 5,540,267,578.44/84,974.36 - Step 6: Final answer
x = 65,199.29
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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.