Finding the Fourth Proportional to 83,420.37, 125,129.57 and 33,499.58
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Solution
The fourth proportional to 83,420.37, 125,129.57 and 33,499.58 is: 50,248.96
Step by Step Solution
- Step 1: Write the proportion equation
83,420.37 : 125,129.57 = 33,499.58 : x - Step 2: Convert to fraction form
83,420.37/125,129.57 = 33,499.58/x - Step 3: Cross multiply
83,420.37x = 125,129.57 × 33,499.58 - Step 4: Simplify right side
83,420.37x = 4,191,787,247.43 - Step 5: Solve for x
x = 4,191,787,247.43/83,420.37 - Step 6: Final answer
x = 50,248.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.