Finding the Fourth Proportional to 70,928.08, 106,380.60 and 33,488.08
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Solution
The fourth proportional to 70,928.08, 106,380.60 and 33,488.08 is: 50,226.68
Step by Step Solution
- Step 1: Write the proportion equation
70,928.08 : 106,380.60 = 33,488.08 : x - Step 2: Convert to fraction form
70,928.08/106,380.60 = 33,488.08/x - Step 3: Cross multiply
70,928.08x = 106,380.60 × 33,488.08 - Step 4: Simplify right side
70,928.08x = 3,562,482,043.25 - Step 5: Solve for x
x = 3,562,482,043.25/70,928.08 - Step 6: Final answer
x = 50,226.68
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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.