Finding the Fourth Proportional to 70,768.08, 106,144.56 and 44,394.48
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Solution
The fourth proportional to 70,768.08, 106,144.56 and 44,394.48 is: 66,586.98
Step by Step Solution
- Step 1: Write the proportion equation
70,768.08 : 106,144.56 = 44,394.48 : x - Step 2: Convert to fraction form
70,768.08/106,144.56 = 44,394.48/x - Step 3: Cross multiply
70,768.08x = 106,144.56 × 44,394.48 - Step 4: Simplify right side
70,768.08x = 4,712,232,546.03 - Step 5: Solve for x
x = 4,712,232,546.03/70,768.08 - Step 6: Final answer
x = 66,586.98
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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.