Finding the Fourth Proportional to 84,973.36, 117,258.42 and 47,246.80
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Solution
The fourth proportional to 84,973.36, 117,258.42 and 47,246.80 is: 65,197.91
Step by Step Solution
- Step 1: Write the proportion equation
84,973.36 : 117,258.42 = 47,246.80 : x - Step 2: Convert to fraction form
84,973.36/117,258.42 = 47,246.80/x - Step 3: Cross multiply
84,973.36x = 117,258.42 × 47,246.80 - Step 4: Simplify right side
84,973.36x = 5,540,085,118.06 - Step 5: Solve for x
x = 5,540,085,118.06/84,973.36 - Step 6: Final answer
x = 65,197.91
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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.