Finding the Fourth Proportional to 75,695.76, 104,460.16 and 43,883.08
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Solution
The fourth proportional to 75,695.76, 104,460.16 and 43,883.08 is: 60,558.66
Step by Step Solution
- Step 1: Write the proportion equation
75,695.76 : 104,460.16 = 43,883.08 : x - Step 2: Convert to fraction form
75,695.76/104,460.16 = 43,883.08/x - Step 3: Cross multiply
75,695.76x = 104,460.16 × 43,883.08 - Step 4: Simplify right side
75,695.76x = 4,584,033,558.09 - Step 5: Solve for x
x = 4,584,033,558.09/75,695.76 - Step 6: Final answer
x = 60,558.66
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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.