Finding the Fourth Proportional to 84,967.94, 117,258.76 and 46,730.44
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Solution
The fourth proportional to 84,967.94, 117,258.76 and 46,730.44 is: 64,489.66
Step by Step Solution
- Step 1: Write the proportion equation
84,967.94 : 117,258.76 = 46,730.44 : x - Step 2: Convert to fraction form
84,967.94/117,258.76 = 46,730.44/x - Step 3: Cross multiply
84,967.94x = 117,258.76 × 46,730.44 - Step 4: Simplify right side
84,967.94x = 5,479,553,448.65 - Step 5: Solve for x
x = 5,479,553,448.65/84,967.94 - Step 6: Final answer
x = 64,489.66
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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.