Finding the Fourth Proportional to 84,959.14, 117,246.64 and 46,721.62
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Solution
The fourth proportional to 84,959.14, 117,246.64 and 46,721.62 is: 64,477.50
Step by Step Solution
- Step 1: Write the proportion equation
84,959.14 : 117,246.64 = 46,721.62 : x - Step 2: Convert to fraction form
84,959.14/117,246.64 = 46,721.62/x - Step 3: Cross multiply
84,959.14x = 117,246.64 × 46,721.62 - Step 4: Simplify right side
84,959.14x = 5,477,952,960.36 - Step 5: Solve for x
x = 5,477,952,960.36/84,959.14 - Step 6: Final answer
x = 64,477.50
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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.