Finding the Fourth Proportional to 75,479.39, 104,164.07 and 41,489.09
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Solution
The fourth proportional to 75,479.39, 104,164.07 and 41,489.09 is: 57,256.32
Step by Step Solution
- Step 1: Write the proportion equation
75,479.39 : 104,164.07 = 41,489.09 : x - Step 2: Convert to fraction form
75,479.39/104,164.07 = 41,489.09/x - Step 3: Cross multiply
75,479.39x = 104,164.07 × 41,489.09 - Step 4: Simplify right side
75,479.39x = 4,321,671,746.73 - Step 5: Solve for x
x = 4,321,671,746.73/75,479.39 - Step 6: Final answer
x = 57,256.32
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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.