Finding the Fourth Proportional to 75,612.60, 104,236.08 and 50,076.12
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Solution
The fourth proportional to 75,612.60, 104,236.08 and 50,076.12 is: 69,032.65
Step by Step Solution
- Step 1: Write the proportion equation
75,612.60 : 104,236.08 = 50,076.12 : x - Step 2: Convert to fraction form
75,612.60/104,236.08 = 50,076.12/x - Step 3: Cross multiply
75,612.60x = 104,236.08 × 50,076.12 - Step 4: Simplify right side
75,612.60x = 5,219,738,450.41 - Step 5: Solve for x
x = 5,219,738,450.41/75,612.60 - Step 6: Final answer
x = 69,032.65
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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.