Finding the Fourth Proportional to 80,518.08, 120,802.64 and 62,809.46
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Solution
The fourth proportional to 80,518.08, 120,802.64 and 62,809.46 is: 94,234.09
Step by Step Solution
- Step 1: Write the proportion equation
80,518.08 : 120,802.64 = 62,809.46 : x - Step 2: Convert to fraction form
80,518.08/120,802.64 = 62,809.46/x - Step 3: Cross multiply
80,518.08x = 120,802.64 × 62,809.46 - Step 4: Simplify right side
80,518.08x = 7,587,548,473.23 - Step 5: Solve for x
x = 7,587,548,473.23/80,518.08 - Step 6: Final answer
x = 94,234.09
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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.