Finding the Fourth Proportional to 73,115.62, 100,842.23 and 47,630.03
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Solution
The fourth proportional to 73,115.62, 100,842.23 and 47,630.03 is: 65,692.09
Step by Step Solution
- Step 1: Write the proportion equation
73,115.62 : 100,842.23 = 47,630.03 : x - Step 2: Convert to fraction form
73,115.62/100,842.23 = 47,630.03/x - Step 3: Cross multiply
73,115.62x = 100,842.23 × 47,630.03 - Step 4: Simplify right side
73,115.62x = 4,803,118,055.03 - Step 5: Solve for x
x = 4,803,118,055.03/73,115.62 - Step 6: Final answer
x = 65,692.09
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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.