Finding the Fourth Proportional to 115,652.35, 159,591.36 and 70,324.12
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Solution
The fourth proportional to 115,652.35, 159,591.36 and 70,324.12 is: 97,041.88
Step by Step Solution
- Step 1: Write the proportion equation
115,652.35 : 159,591.36 = 70,324.12 : x - Step 2: Convert to fraction form
115,652.35/159,591.36 = 70,324.12/x - Step 3: Cross multiply
115,652.35x = 159,591.36 × 70,324.12 - Step 4: Simplify right side
115,652.35x = 11,223,121,951.60 - Step 5: Solve for x
x = 11,223,121,951.60/115,652.35 - Step 6: Final answer
x = 97,041.88
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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.